7in1 Smart Monitor Fish Tank WIFI Pool Water Quality Meter PH ORP EC PPM Tester

ORP: -1200mV~+1200mV. ORP: ±5 mV. EC: 0.00~20.00mS/cm. EC: 0.01mS/cm. pH: 0.00 ~ 14.00pH. 【Wide Applications】Apply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools, and other water systems.

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