Insta 4 Way Test Strips

Description

Insta 4 Way Test Strips – pack of 50

For Pools and Spas

The Insta-Test 4 Plus pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, pH 6.2-9.0 and Total Hardness 0-800 ppm.