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Meters & Controllers

Dilution Solutions PH Calibration Solution | 20pcs
In Stock: 95
$23.27 $24.95 -7%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In Stock: 179
$13.01 $13.90 -6%
GroStar GS3-E replacement EC electrode
In Stock: 101
$45.35 $53.99 -16%
1" Digital Flow Meter
In Stock: 13
$95.84 $103.95 -8%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 76
$34.78 $45.51 -24%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In Stock: 106
$12.59 $14.99 -16%
Hydrofarm Active Air 3-Way Meter
In Stock: 50
$10.86 $14.99 -28%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 62
$36.08 $42.95 -16%
Hanna Electrode Storage Solution
In Stock: 6
$30.13 $34.99 -14%
HM Digital PH-STOR pH Electrode Storage Solution
In Stock: 48
$7.13 $8.49 -16%
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 18
$29.69 $30.13 -1%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 14
$29.69 $30.13 -1%
Hanna General-Purpose Cleaning Solution | 230ml
In Stock: 4
$25.64 $26.59 -4%
1.5" Digital Flow Meter
In Stock: 11
$106.64 $115.50 -8%
1.25" Digital Flow Meter
In Stock: 10
$101.24 $110.25 -8%
Aqua-X Plus Controller with AMP-3 Sensor Board,Free App
In Stock: 5
$1,259.54
Aqua-X Pro Controller with AMP-3 Sensor Board,Free App
In Stock: 14
$2,500.19 $2,623.95 -5%
Water Content Sensor with Cable Set
In Stock: 8
$218.69 $241.50 -9%
Aqua-X Controller with Water Detector set, Free App
In Stock: 5
$330.74 $348.60 -5%
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