Helps keep spa water balanced within the following recommended ranges: pH 7.2 to 7.8, total alkalinity 80 to 120 ppm, bromine 2-4 ppm, and calcium hardness 150 to 400 ppm

Quick to use and easy to read; simply dip a strip in the spa or hot tub water and compare to the color chart on the back of the bottle.

Each pack has 50 test strips

Available for chlorine and bromine sanitizing systems

Compatible with bromine and ozone systems