Simply dip one AquaChek TM test strip into the water. The pads on the strip will change color to indicate the chemical levels in the pool. AquaChek TM Gold Select Test for Total Chlorine, Free Chlorine, Total Hardness, Total Alkalinity and pH. Includes a reusable plastic comparator and illustrated booklet with treatment recommendations and test log. 50 Strips Per.
Package contains strips and color chart for comparator.
50 Strips Per. AquaChek TM Red Test for Bromine, Total Alkalinity and pH all on one strip. 10 Strips Per. Test strips were developed in the medical diagnostic industry in the 1960's. Since that time, they have replaced liquid reagent tests for urine and blood testing.