4-in-1 water tester PH TDS EC temp pen lab JUANJUAN
19.27 USD
New TDS PH Meter for Water Quality Testing, Digital PH TDS EC and Temperature Meter for Pools, Drinking Water, Aquariums
Digital water quality meter for measuring pH, TDS and EC with a digital display and backlight. Marketed as a PH/TDS/EC meter by yieryi, it operates on standard portable power sources and is intended for testing water quality.
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