PH-986 Multifunctional PH/TDS/Temperature Water Quality Pen Test Pen Tester Water Quality Detection

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PH-986 Multifunctional PH/TDS/Temperature Test Pen Tester Water

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Features1.The 3 in 1 test pen is multifunctional, which can be used to measure PH, TDS, TEMP values. 2.The electrode probe can be replaced and has an

TDS Tester,PH-986 3 in 1 Water Quality Detector Water Quality Test Pen Sturdy Construction