HM Digital COM-80 EC/TDS HydroTester – 4-Scale Water Quality Meter with ATC NSF tested gravity filter 1000–9990 ppm at 10 ppm hydroponics pH calibration The Black Berkey Primer ZAP-PRO
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Description
HM Digital COM 80 EC TDS HydroTester – 4 Scale Water Quality Meter with ATC NSF tested gravity filter 1000–9990 ppm at 10 ppm hydroponics pH calibration The Black Berkey Primer ZAP PRO 1000–9990 ppm at 10 ppm resolution (blinking ‘x10’ icon) Serves 1–16 people for daily drinking water needs