From the makers of Hot Spring Spas – Simple to use and read. Measures Chlorine, Bromine, Alkalinity, pH, and Total Hardness with instant results. Includes ranges for both salt systems and traditional water care systems. Take a bottle with you on your vacation to test any pool or hot tub you’re tempted to use. Stay out of spas that do not show the correct levels of sanitizer and pH. 50 strips per bottle.

Made in USA.