0 L/water daily

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Regular calibration ensures accurate readings for optimal fish health

and research applications

regular calibration with fresh buffer solutions

PH80 + TDS-4TM + pH 7 + C342 ppm COMBO - HM Digital Meter/Solution 1 inch water filter housing 0 L/water dailyeBay PH 80 PH 80: pH HydroTester Series The PH 80 has proven to be the MOST reliable pH meter in its price range. It has become a favorite in such applications as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. FEATURES: Measures pH and Temperature One touch automatic digital calibration Water resistant Simultaneous temperature display Large LCD display Automatic Temperature Compensation (ATC)