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Meters & Solutions

HM Digital PH-80 pH/Temperature Meter

$46.50
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Meters & Solutions

HM Digital TDS-3 Handheld TDS meter

$33.99
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Meters & Solutions

HM Digital Replacement pH Sensor Probe for HM-500

$59.99
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Meters & Solutions

HM Digital Replacement pH Sensor for PH-200

$49.95
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Meters & Solutions

HM Digital Replacement Platinum Sensor for COM-100

$36.95
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HM Digital 1000 ppm NaCl Calibration Solution, 20 ml sachets, box of 20

$25.00
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HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester

$42.95
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HM Digital COM-100 Waterproof EC/TDS/Temp Combo Meter

$76.95
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HM Digital AquaPro TDS/Temperature Meter

$42.95
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HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

$359.00
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HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)

$6.50
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HM Digital PH-STOR pH Electrode Storage Solution

$6.95