Digital PH Meter Tester Pool Water Spa Aquarium Measure Pen PH Level Test Kit

Accuracy: ±in 0.1 pH (at 20). Typical EMC DEV: ± 0.2 PH. PH power shown on the picture do NOT included. 2 x pH buffer powder. Applied range: the production and drinking of purified water, Electroplating liquid, Boiler water, Water in fish tank, Water of swimming pools, Photograph flushing fluid, Well water, Deep phreatic water, Laboratory, Aquaculture, Food processing, etc.

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