Insta Test Strips
- Pack of 50
The Insta-Test 4 pool & spa strip measures Free Chlorine 0-10 ppm (or Bromine 0-20 ppm), pH 6.2-8.4, Total Alkalinity 0-240 and Total Hardness 50-800 ppm. This test strip is a 1-Dip method designed to match the way strip users actually test water.
Chlorine and Bromine systems
Easy to use and immediate results!