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Meters & ControllersProducts found: 103

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Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In stock
$28.45 $29.32 -3%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$27.94 $30.00 -7%
Milwaukee Instruments pH600 Digital pH Pen
In stock
$27.00 $29.00 -7%
Hydrofarm Electronic Water Timer
In stock
$25.69 $31.49 -18%
Hanna General-Purpose Cleaning Solution | 230ml
In stock
$24.88 $25.64 -3%
Hanna 4.01 pH Buffer Solution | 500ml
In stock
$24.12 $24.85 -3%
Hanna 7.01 pH Buffer Solution | 500ml
In stock
$24.12 $24.85 -3%
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In stock
$24.12 $24.85 -3%
GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In stock
$23.65 $28.99 -18%
HM Digital TDS-3 Handheld TDS meter
In stock
$22.43 $33.99 -34%
Bluelab pH Probe KCl Storage Solution | 250ml
In stock
$22.41 $23.10 -3%
Bluelab Meter Carrying Case | Meter Not Included
In stock
$21.96 $29.08 -24%
Bluelab Probe Care Kit | for Bluelab pH Probes
In stock
$21.55 $22.21 -3%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$21.42 $29.99 -29%
Dilution Solutions PH Calibration Solution | 20pcs
In stock
$21.39 $24.95 -14%
GroStar pH Probe Maintanence Kit
In stock
$19.57 $23.99 -18%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$17.97 $18.52 -3%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$17.97 $18.52 -3%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$17.97 $18.52 -3%
P3 International Save a Drop Water Meter
In stock
$16.28 $19.95 -18%
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CannaBasics
CannaBasics

Premium Cultivation Equipment & Supplies for Craft and Commercial Growers

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