Pool Check® 5in1 is the only complete source for pool & spa testing that you will ever need. Measuring for 5 of the most important pool & spa parameters, Pool Check® 5in1 is ideally suited for the demanding pool & spa owner who is concerned with proper pool & spa maintenance
Simply dip one test strip into your pool or spa for 5 seconds with a gentle back-and-forth motion. Remove the strip and shake once, briskly to remove excess water. Wait 15 seconds for colors to develop. Compare test pads with color chart on the bottle within the next 30 seconds for best results.