PH Meter LCD Digital Electric Tester Pen Water Test Kit For Hydroponics Aquarium
Can be used for: water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools and spas, aquariums, hydroponics. TDS&EC Tester. Type: PH Tester. Accuracy: ±0.2PH; ±0.1PH (20°C).