You are here: Indoor Swimming Pool Guide » Posts about ph thiosulfate

ph thiosulfate

Testing pH

The pH of water is usually tested by matching reagent colors against a colormetric standard. The reagent generally used for swimming pool water is phenol red, which has a pH range of 6.8 to 8.4 and a corresponding color range of yellow to red. Other reagents that are occasionally used for water pH analysis include […]