Insta-Test 4

Insta-Test 4 measures Chlorine, pH, Alkalinity and Total Hardness. Insta-Test 4 is hassle-free and easy to use and read. Simply dip and swirl the strip in your pool/spa water and your water test results are produced. The Insta-Test 4 container comes with a patented liner to protect your test strips from moisture. 50 test strips are included with Insta-Test 4.