Water tesst strips are made for water quality testing of both qualitative and semi-qualitative. It can test totally 31 items in
water:PH,Total alkalinity,Residual chlorine,Total chlorine,Nitrate,Nitrite,Hg,Lead,Iron,Copper,Fluoride,Cyanuric
acid,Bromine,Cr,Hardness,Sulfate,Carbonate root,Hydrogen carbonate root,Quaternary ammonium salt,Potassium
permanganate,Sulfite,VC,Calcium,hydrogen peroxide,Escherichia Coli,Phosphate,Sulfuretted Hydrogen,Chlorine dioxide,Peracetic
acid,Sulfur dioxide,Ammonia Nitrogen.