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Specification:, Empty the powder completely into a clean 250ml tumbler., Add 250 ml pH buffer powder to the cup glass., Still until the powder has

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Multifunctional 4 in 1 TDS PH Meter Digital WaterTester PH/TDS/EC/Temperature

Testeur De Qualit De L'eau, Testeur Ph Mtre Lectronique, Tds&ec Mtre Temprature, Auto Calibration, Tds Ph Ec Temprature 4 En 1 Set Pour Piscine, Aquar

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Specification:, Empty the powder completely into a clean 250ml tumbler., Add 250 ml pH buffer powder to the cup glass., Still until the powder has

PH Meter 4 in 1 pH TDS EC Temperature Pool Tester, pH Meter Water Quality Tester pH Tester with LCD Display, Digital pH TDS Meter for Drinking Water

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