Offers HM Digital
HM Digital TDS-3 Handheld TDS Meter with Carrying Case, 0-9990 ppm TDS Measurement Range, 1 ppm Resolution, 2% Readout Accuracy
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HM Digital TDS-3 TDS Meter Handheld tds Tester With Large LCD Screen Includes ATC Temperature Reading Testing For Hydroponics Gardening Aquariums Reefs Pools Spas Water Treatment
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HM Digital 342ppm TDS Calibration Solution (a.k.a Water Testing Solution) 3 fl oz (90 ml)
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