Insta-TEST® 4 Plus Chlorine and Bromine Test Strips

4 Way Chlorine and Bromine Test Strips for Pool and Spa #1 dealer of pool water test strips in America 50 each of the 4 way Water Test Strips by Lamotte The Insta-Test 4 pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Alkalinity 0-240 ppm, pH 6.2-8.4 and Total Hardness 50-800 ppm. This test strip is a swirl-n-read strip with instant results. The Insta-TEST 4 strip is ideal for spa and swimming pool owners who need the most critical tests for perfect water balance. The test strips are packaged in a waterproof red Poptop bottle with a molded desiccant liner, which protects the strips from moisture and UV light. Instructions