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PH Calibration

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sku: HGC716055

Bluelab pH Probe KCI Storage Solution 120 ml

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Now: $14.84

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Bluelab pH 7.0 Calibration

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Bluelab pH 4.0 Calibration

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General Hydroponics
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sku: 722080

GH pH Control Kit (12/Cs)

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Now: $17.38

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sku: HI7004-050

Hanna Groline pH 4.0 Calibration 500ml

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Now: $21.58

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sku: HI7061-050

Hanna Groline pH electrode Cleaning Solution 500ml

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Now: $22.57

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Advance Nutrients

Advance Nutrients - pH Down * In Store Pick Up Only

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Now: $26.17

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Advance Nutrients

Advance Nutrients - pH Up * In Store Pick Up Only

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Now: $26.27

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General Hydroponics

GH pH 4.01 Calibration Solution

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Now: $7.76

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General Hydroponics

GH pH 7.01 Calibration Solution

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Now: $7.87

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urban farm

UF pH UP 31% KOH * In Store Pick Up Only

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Now: $30.00

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urban farm

UF pH Down 25% H3PO4 * In Store Pick Up Only

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Now: $30.00

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sku: HGC716055

Bluelab pH Probe KCI Storage Solution 120 ml

Bluelab® pH Probe KCI Storage Solution The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and...

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Now: $14.84
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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...

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Now: $13.69
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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...

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Now: $13.69
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General Hydroponics
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sku: 722080

GH pH Control Kit (12/Cs)

General Hydroponics® pH Control Kit General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial

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Now: $17.38
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sku: HI7004-050

Hanna Groline pH 4.0 Calibration 500ml

GroLine 4.01 pH Calibration Solutions GroLine pH solutions are the only buffers in the market to come with a certificate to guarantee their accuracy.

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Now: $21.58
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sku: HI7061-050

Hanna Groline pH electrode Cleaning Solution 500ml

GroLine Cleaning Solutions GroLine Cleaning Solution is a specially formulated acid that cleans pH electrodes. Growers should avoid touching the glass on pH electrodes as doing so can damage the electrode's invisible (but extremely...

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Now: $22.57
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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...

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Now: $26.17
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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...

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Now: $26.27
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General Hydroponics

GH pH 4.01 Calibration Solution

General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General...

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Now: $7.76
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General Hydroponics

GH pH 7.01 Calibration Solution

General Hydroponics® Meter Calibration Solutions General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General...

MSRP:

Now: $7.87
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urban farm

UF pH UP 31% KOH * In Store Pick Up Only

UF pH UP 1 gal. 31% KOH

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Now: $30.00
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urban farm

UF pH Down 25% H3PO4 * In Store Pick Up Only

UF pH UP 1 gal. 31% KOH

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Now: $30.00
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