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Product Image:HM Digital PH-80 pH/Temp Hydro Tester
$ 65.97
In stock
Product Image:HM Digital Consumer TDS Meter
$ 29.95
In stock
Product Image:HM Digital COM-80 EC/TDS/Temp Water Resistant HydroTester
$ 53.95
In stock
Product Image:HM Digital Sensor Probe for the DM-1
$ 19.95
In stock
Product Image:HM Digital Replacement pH Sensor - PH - 200
$ 60.95
In stock
Product Image:HM Digital Replacement Platinum Sensor - COM-100
$ 44.95
In stock
Product Image:HM Digital Single Sensor Probe, 4 pin conntector
$ 15.95
In stock
Product Image:HM Digital In-Line Single TDS Monitor w/ 1/4
$ 44.95
In stock
Product Image:HM Digital Quick Check Monitor (push-to-test)Product Secondary Image:HM Digital Quick Check Monitor (push-to-test)
$ 38.95
In stock
Product Image:HM Digital EC/TDS Controller w/ 4-20 mA SignalProduct Secondary Image:HM Digital EC/TDS Controller w/ 4-20 mA Signal
$ 377.95
In stock
Product Image:HM Digital Extended Range EC/TDS Controller
$ 298.95
In stock
Save 18%
Product Image:HM Digital Pocket Size TDS Monitor
$ 44.95 $ 36.99
In stock
Product Image:HM Digital Pocket Size TDS & Temp Meter
$ 32.95
In stock
Product Image:HM Digital Waterproof ORP/Temp Meter
$ 144.95
In stock
Product Image:HM DIGITAL TDS 1000 PPM CALIBRATION SOLUTION - 20 PACKETS OF 20ML
$ 32.95
In stock
Product Image:HM Digital COM-100 EC/TDS/Temp Combo Waterproof Meter
$ 99.95
In stock
Product Image:HM Digital HydroMaster Continual Monitor for PH/EC/TDS/Temperature with Rechargeable Battery
$ 476.95
In stock
Product Image:HM DIGITAL TDS-3
$ 30.95
In stock
Product Image:HM Digital Waterproof pH/Temp Meter Water Analysis Instrument
$ 129.95
In stock

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