Cultivation Equipment and Supplies :: Hydroponics :: Meters & Controllers

Hanna Electrode Storage Solution

Product Code:

HIHI70300L

$30.62

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Hanna General-Purpose Cleaning Solution | 230ml

Product Code:

HIHI7061M

$25.26

Hanna 4.01 pH Buffer Solution | 500ml

Product Code:

HIHI7004L

$24.49

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Hanna 7.01 pH Buffer Solution | 500ml

Product Code:

HIHI7007L

$24.49

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Save 17%

GroStar pH calibration kit (pH 4/7/10, 8 oz. each)

Product Code:

AI61115

$24.00 $28.99 -17%

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Bluelab pH Probe KCl Storage Solution | 250ml

Product Code:

BLBSTSOL250BL

$22.76

Save 15%

Dilution Solutions PH Calibration Solution | 20pcs

Product Code:

DILPHP7

$21.24 $24.95 -15%

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Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products

Product Code:

BLBEC277500BL

$18.25

Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products

Product Code:

BLBPH4500BL

$18.25

Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products

Product Code:

BLBPH7500BL

$18.25

Save 17%

GroStar pH calibration kit (pH 4/7, 8 oz. each)

Product Code:

AI61113

$15.72 $18.99 -17%

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Bluelab Conductivity Standard Solution | 120ml - 2.77EC

Product Code:

BLBSTSOL120BL

$13.57

Save 5%

Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml

Product Code:

MIMA9004

$13.14 $13.90 -5%

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Save 5%

Milwaukee Instruments pH 7.01 Solution, 230 ml

Product Code:

MIMA9007

$13.14 $13.90 -5%

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Save 17%

GroStar EC Calibration Kit (2.77 EC, 8 oz. each)

Product Code:

AI71117

$12.41 $14.99 -17%

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Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products

Product Code:

BLBEC277250BL

$9.94

Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products

Product Code:

BLBPH4250BL

$9.94

Bluelab pH 7.0 Calibration Solutions | 250ml - Designed for Bluelab Products

Product Code:

BLBPH7250BL

$9.94

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Save 67%

Dilution Solutions EC Calibration Solution | 20pc Box

Product Code:

DILCP1000

$8.25 $24.95 -67%

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Save 17%

HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

Product Code:

HMDC1000

$7.85 $9.49 -17%

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