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20 ml pack of 1000 ppm NaCl Ca
20 ml pack of KCl Storage Sol
20 ml pack of pH 4 Buffer sol
20 ml pack of pH 7 Buffer sol
HM Digital 1000 PPM Calibration Solution
HM Digital Aquapro TDS Water Tester
HM Digital Handheld TDS-3 Tester
HM Digital HydroMaster HM-500
HM Digital pH 80 Meter
HM Digital pH Electrode Storage Solution – 60 cc / 2 oz
HM Digital Replacement Probe for pH
HM Digital Water Resistant Ec/TDS Meter w/ Temperature in C/F Hydrotester (Model COM-80)
HM Digital Waterproof pH Meter
HM Waterproof EC/TDS/Temp Combo Meter
Replacement pH Sensor PH-200
Replacement Platinum Sensor COM-100
TDS-3 Handheld TDS meter
Variety Box of 20 units, 5/ea 20 ml pack of pH4
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