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Meters & Controllers

HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$75.25 $359.00 -79%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 100
$38.84 $42.95 -10%
HM Digital PH-80 pH/Temperature Meter
In Stock: 202
$38.81 $46.50 -17%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.34 $59.99 -46%
HM Digital TDS-3 Handheld TDS meter
In Stock: 43
$23.09 $33.99 -32%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 97
$9.36 $9.49 -1%
HM Digital PH-STOR pH Electrode Storage Solution
In Stock: 88
$7.13 $8.49 -16%
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