About the product
- ?4-in-1 pH Meter? 4-in-1 pH TDS meter for water can measure pH, EC (Electrical conductivity), TDS (total dissolved solids), just press {MODE/CAL} key to switch readings of pH, EC (?S/cm / mS/cm), TDS (ppm),4 in 1 water meter that meets the needs of any serious grower
- ?High Accuracy PH Meter?4-in-1 pH TDS meter for water used corrosion-resistant titanium alloy probe & advanced chip, measures 0-9990ppm with
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