The 2in1 test strip is designed to measure the pH and free chlorine content of the swimming pool water. These indicators are important for maintaining the pool water clean and for optimal chemical usage.
Simply dip one test strip into your pool for 5 seconds with a gentle back-and-forth motion. Remove the strip and wait 15 seconds for colors to develop. Compare test pads with color chart on the bottle within the next 30 seconds for best results.
Free Chlorine: 0, 0.5, 1, 3, 5 mg/l (ppm)
pH: 6.0, 6.4, 6.8, 7.2, 7.6, 8.2
Bottle of 50 test strips