Quick view Details General Hydroponics GH pH Down Liquid * In Store Pick Up Only MSRP: Now: $12.30 Choose Options Compare Quick view Details Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only MSRP: Now: $26.17 Choose Options Compare Quick view Details General Hydroponics GH pH Up Liquid * In Store Pick Up Only MSRP: Now: $12.88 Choose Options Compare Quick view Details Bluelab pH 7.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only MSRP: Now: $26.27 Choose Options Compare Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only MSRP: Now: $26.17 Choose Options Compare Quick view Details General Hydroponics GH pH Up Liquid * In Store Pick Up Only MSRP: Now: $12.88 Choose Options Compare Quick view Details Bluelab pH 7.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only MSRP: Now: $26.27 Choose Options Compare Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details General Hydroponics GH pH Up Liquid * In Store Pick Up Only MSRP: Now: $12.88 Choose Options Compare Quick view Details Bluelab pH 7.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only MSRP: Now: $26.27 Choose Options Compare Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Bluelab pH 7.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only MSRP: Now: $26.27 Choose Options Compare Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only MSRP: Now: $26.27 Choose Options Compare Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Bluelab pH 4.0 Calibration MSRP: Now: $13.69 Choose Options Compare Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details General Hydroponics | sku: 722145 GH pH Test Kit 1 oz MSRP: Now: $8.20 Add to Cart Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details urban farm UF pH UP 31% KOH * In Store Pick Up Only MSRP: Now: $30.00 Choose Options Compare Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Bluelab 2.77 EC Conductivity Solution MSRP: Now: $12.00 Choose Options Compare Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Details Bluelab | sku: 716445 Bluelab Replacement pH Probe MSRP: Now: $114.98 Add to Cart Compare Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view General Hydroponics GH pH Down Liquid * In Store Pick Up Only General Hydroponics® pH Down Liquid The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. MSRP: Now: $12.30 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Advance Nutrients Advance Nutrients - pH Down * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.17 Choose Options Compare Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view General Hydroponics GH pH Up Liquid * In Store Pick Up Only General Hydroponics® pH Up Liquid This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. MSRP: Now: $12.88 Choose Options Compare Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Bluelab pH 7.0 Calibration Bluelab® pH 7.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Advance Nutrients Advance Nutrients - pH Up * In Store Pick Up Only One Gardening Secret You’ve Got to Know Have you ever met a grower who fed his crops the best nutrients and they still gave him weak performance and small harvests? In many cases, there’s a hidden problem that blocks plants from absorbing... MSRP: Now: $26.27 Choose Options Compare Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Bluelab pH 4.0 Calibration Bluelab® pH 4.0 Calibration Solution "pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration... MSRP: Now: $13.69 Choose Options Compare Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view General Hydroponics | sku: 722145 GH pH Test Kit 1 oz General Hydroponics® pH Test Kit General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced... MSRP: Now: $8.20 Add to Cart Compare Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Bluelab | sku: HGC716480 Bluelab Ph Pen Bluelab® pH Pen Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with... MSRP: Now: $142.80 Add to Cart Compare Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view urban farm UF pH Down 25% H3PO4 * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view urban farm UF pH UP 31% KOH * In Store Pick Up Only UF pH UP 1 gal. 31% KOH MSRP: Now: $30.00 Choose Options Compare Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected × OK
Quick view Bluelab 2.77 EC Conductivity Solution Bluelab® 2.77 EC Conductivity Standard Solution "The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat... MSRP: Now: $12.00 Choose Options Compare Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected
Quick view Bluelab | sku: 716445 Bluelab Replacement pH Probe Bluelab® Combo Replacement Probe pH MSRP: Now: $114.98 Add to Cart Compare 1 2 3 4 5 Next 1 2 3 4 5 Next Compare Selected
