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Meters & Controllers

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Gardena Smart Flow Water Meter
In stock
$39.20 $58.99 -34%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$38.21 $49.95 -24%
Save 19%
HM Digital PH-80 pH/Temperature Meter
In stock
$37.69 $46.50 -19%
Save 14%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In stock
$36.86 $42.95 -14%
Save 15%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
In stock
$33.99 $39.95 -15%
Bluelab Meter Carrying Case | Meter Not Included
In stock
$29.08
Save 2%
Milwaukee Instruments pH600 Digital pH Pen
In stock
$28.38 $29.00 -2%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In stock
$28.24
Save 11%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$26.77 $30.00 -11%
Save 16%
Hydrofarm Electronic Water Timer
In stock
$26.45 $31.49 -16%
Hanna General-Purpose Cleaning Solution | 230ml
In stock
$24.69
Save 16%
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
$23.93
Hanna 7.01 pH Buffer Solution | 500ml
In stock
$23.93
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In stock
$23.93
HM Digital TDS-3 Handheld TDS meter
In stock
$23.09 $33.99 -32%
Bluelab pH Probe KCl Storage Solution | 250ml
In stock
$22.24
Hanna Electrode Storage Solution
In stock
$22.21
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
$21.38
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