Meters & Controllers

GroStar pH Probe Maintanence Kit

Product Code:

AI61170

$19.86 $23.99 -17%

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P3 International Save a Drop Water Meter

Product Code:

LGP0550

$16.52 $19.95 -17%

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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 | 250ml - 2.77 EC - Designed for Bluelab Products

Product Code:

BLBEC277250BL

$15.63

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

Product Code:

BLBPH4250BL

$15.63

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

Product Code:

BLBPH7250BL

$15.63

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Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0

Product Code:

LUS1845

$15.41 $21.29 -28%

Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml

Product Code:

MIMA9004

$13.34 $13.90 -4%

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Milwaukee Instruments pH 7.01 Solution, 230 ml

Product Code:

MIMA9007

$13.34 $13.90 -4%

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SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH

Product Code:

SPPSP80002

$12.46 $15.79 -21%

SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH

Product Code:

SPPSP80003

$12.42 $16.99 -27%

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

Product Code:

AI71117

$12.41 $14.99 -17%

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Hydrofarm Active Air 3-Way Meter

Product Code:

HYFMGMLP1

$11.77 $14.99 -21%

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Dilution Solutions HM Digital/EC Calibration Solution | 1000 PPM

Product Code:

DILC1000

$11.72

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Active Air 2-Way pH & Moisture Meter | 1ct

Product Code:

HYFMGMP1

$10.63 $13.99 -24%

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Dilution Solutions PH Storage Solution | 60cc

Product Code:

DILPHSTOR

$10.41

Hort2O Digital Hygro-Thermometer | 9.8ft Temperature Sensor - Digital Display - Measures Temperatures 32°F to 122°F - Measures Humidity 20% to 98%

Product Code:

HTDHT388

$8.72 $19.99 -56%

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Active Air 3-Way Meter

Product Code:

MGMLP1

$8.62 $13.09 -34%

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Dilution Solutions EC Calibration Solution | 20pc Box

Product Code:

DILCP1000

$8.25 $24.95 -67%

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Active Air 2-Way Moisture/pH Meter

Product Code:

MGMP1

$8.17 $11.84 -31%

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