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Meters & Controllers

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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In stock
$24.35 $28.99 -16%
Hanna 4.01 pH Buffer Solution | 500ml
In stock
$24.30
Hanna 7.01 pH Buffer Solution | 500ml
In stock
$24.30
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In stock
$24.30
Bluelab Meter Carrying Case | Meter Not Included
In stock
$22.61 $29.08 -22%
Bluelab pH Probe KCl Storage Solution | 250ml
In stock
$22.59
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$22.05 $29.99 -26%
Bluelab Probe Care Kit | for Bluelab pH Probes
In stock
$21.71
Save 15%
Dilution Solutions PH Calibration Solution | 20pcs
In stock
$21.24 $24.95 -15%
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GroStar pH Probe Maintanence Kit
In stock
$20.15 $23.99 -16%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$18.11
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$18.11
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$18.11
Save 16%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In stock
$15.95 $18.99 -16%
Bluelab Probe Care Kit | for Bluelab Conductivity Probes
In stock
$15.64
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In stock
$15.64 $21.29 -27%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In stock
$13.46
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In stock
$12.60 $16.99 -26%
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GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In stock
$12.59 $14.99 -16%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In stock
$10.82 $13.49 -20%
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