Description

The Insta-TEST® 4 Plus pool & spa strip allows you to measure Free Chlorine from 0 to 10 ppm, Bromine from 0 to 20 ppm, Total Alkalinity from 0 to 240 ppm, pH from 6.2 to 9.0, and Total Hardness from 0 to 800 ppm. This test strip provides instant results and is easy to use - simply dip and read. Each bottle contains 50 test strips, packed in a waterproof PopTop bottle with a hinged cap.

With a molded desiccant liner, the bottle safeguards the strips against moisture and UV light. Designed for spa owners seeking essential tests for achieving optimal water balance, the Insta-TEST® 4 Plus strip is an ideal choice.