Want accurate test results, use these easy-to-read test strip for checking pH, total alkalinity, calcium hardness and bromine or chlorine levels. Features: Fast Easy Accurate
Applications: Dip strip in water one time. Compare test results to chart on back of bottle.
Tips: Low calcium hardness levels can cause foam and corrosive water conditions, so use a strip that includes the calcium hardness test.
Compatible With:Chlorine, bromine and ozone sanitizers.