... .DescriptionTest water if chlorine includedItem Name:PH Test ReagentHow To UseDrop three globelets into water, then the paper will ... , the scree will show detail ORP value. (Pls read user's manual carefully before use)DescriptionTest water Oxidation-Reduction ... accurate testing,low price, new type,easy to operate,convenient to carry Target: effective to any colorless alkaline solution whose ph value ...