Simply Watercare - 4 in 1 Test Strips

Simply Watercare Test Strips are easy and accurate to use Just dip a strip in your Pool or hot tub to get your water levels. To keep your pool at its best, test at each end a minimum of twice a week, and test your spa before each use. It also a good idea to write down your results each time you test. These Strips will Read Free Chlorine Total Bromine pH Total Alkalinity Comes with complete instructions. 50 strips per bottle.