Digital LCD PH Meter Aquarium Pool Water Quality Wine Tester Pen Analyzer
Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. PH: 0.00-14.00ph. PH: 0.01ph. PH: ±0.01ph. Full standard buffer solution ph 6.86, in clean beakers. Press the "ON/OFF" button.