nuoshen 50pcs 6 in 1 Water Test Strips,Pool Spa Hot
6 IN 1test strips :Test for 6 parameters: PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness at the same time. Advantages: Our dipping test have VC interference resistance. Application:Suitable for drinking water, aquariums, swimming pools and spas, industrial water, ponds and hot …
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