Quick view Details sku: HI73127 Hanna Replacement Probe PH (HI73127) MSRP: Now: $83.69 Out of stock Compare Quick view Details TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor MSRP: Now: $112.00 Add to Cart Compare Quick view Details sku: BLU24115 Bluelab Soil probe (probe only) MSRP: Now: $132.00 Out of stock Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details TrolMaster | sku: AMP-2 Aqua-X Sensor Board MSRP: Now: $147.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor MSRP: Now: $112.00 Add to Cart Compare Quick view Details sku: BLU24115 Bluelab Soil probe (probe only) MSRP: Now: $132.00 Out of stock Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details TrolMaster | sku: AMP-2 Aqua-X Sensor Board MSRP: Now: $147.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details sku: BLU24115 Bluelab Soil probe (probe only) MSRP: Now: $132.00 Out of stock Compare Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details TrolMaster | sku: AMP-2 Aqua-X Sensor Board MSRP: Now: $147.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Bluelab | sku: HGC716480 Bluelab Ph Pen MSRP: Now: $142.80 Add to Cart Compare Quick view Details TrolMaster | sku: AMP-2 Aqua-X Sensor Board MSRP: Now: $147.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details TrolMaster | sku: AMP-2 Aqua-X Sensor Board MSRP: Now: $147.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor MSRP: Now: $252.00 Out of stock Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) MSRP: Now: $360.00 Out of stock Compare Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details sku: HGC716342 Bluelab pH Controller MSRP: Now: $704.22 Add to Cart Compare Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Details sku: 716485 Bluelab Guardian Connect In-line MSRP: Now: $884.07 Out of stock Compare Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view sku: HI73127 Hanna Replacement Probe PH (HI73127) Hanna PH replacement Probe Replacement pH electrode for HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers Extendable cloth junction prolongs electrode life Stainless steel round... MSRP: Now: $83.69 Out of stock Compare Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view TrolMaster | sku: PPH-1 Aqua-X Reservoir pH Sensor Overview: PPH-1 Reservoir pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the... MSRP: Now: $112.00 Add to Cart Compare Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view sku: BLU24115 Bluelab Soil probe (probe only) Bluelab Soil pH Probe The Bluelab BLU24115 soil pH probe reads the pH levels of soils or media. This probe comes with a dibber that is inserted into the soil or media before inserting the probe... MSRP: Now: $132.00 Out of stock 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 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... MSRP: Now: $142.80 Add to Cart Compare Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view TrolMaster | sku: AMP-2 Aqua-X Sensor Board Overview: AMP-2 Sensor Board is specially designed for Aqua-X Irrigation Control System. With a male-to-male signal cable, this unit acts as a bridge between the sensors (pH Sensor & EC/Temp Sensor)... MSRP: Now: $147.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the... MSRP: Now: $250.80 Out of stock Compare Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view TrolMaster | sku: PPH-2 Aqua-X Inline pH Sensor Overview: PPH-2 Inline pH Sensor is specially designed for Aqua-X Irrigation Control System. The pH electrode probe has a single cylinder that allows direct connection to the terminal of the AMP-2... MSRP: Now: $252.00 Out of stock Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect... MSRP: Now: $272.40 Add to Cart Compare Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view sku: HI1285-7 Hanna GROLINE Replacement COMBO PROBE FOR HI9814 WATERPROOF COMBO METER (HI1285-7) The HI1285-7 is designed for use with GroLine HI9814 Waterproof Combo meter. 1 Probe. 1 cord. 3 Measurements. No tangled cord mess and much easier to calibrate. Fortified stress relief on... MSRP: Now: $360.00 Out of stock Compare Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected × OK
Quick view sku: HGC716342 Bluelab pH Controller Bluelab® pH Controller Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The... MSRP: Now: $704.22 Add to Cart Compare Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected
Quick view sku: 716485 Bluelab Guardian Connect In-line Bluelab® Guardian Monitor Connect In-Line The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient... MSRP: Now: $884.07 Out of stock Compare Previous 1 2 Previous 1 2 Compare Selected