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7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen 601549021688
3 in 1 PH Tester Water PH Meter TDS EC Temperature Meter Digital LCD Water Testing Pen Purity Water Quality Monitor Testing Pen - AliExpress
Suitable for water sources, aquariums, hydroponics, spas, swimming pools and other water systems. 3 in 1 multifunctional water tester, test the pH,
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China PH Meter Professional 3 in 1 Multi-parameter Water Quality Tester Pen Type PH EC TEMP Acidometer With Backlight Suppliers, Manufacturers, Factory - YINMIK
【3 IN 1 Multifunctional Water ph Tester 】: 3 in 1 ph water tester: Testing the PH, TDS ( the soluble solids content ) and Temperature with water.
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7 in 1 Digital LCD PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter Pen 601549021688
3-in-1 Water Quality Tester - pH EC TEMP
Professional 3 in 1 pH/TDS/TEMP Meter Water Detector Multi-parameter Digital LCD Tri-Meter Multi-function Water Quality Monitor Multiparameter Water Quality Tester EU Plug