THESE TEST STRIPS HAVE RECENTLY EXPIRED AND ARE FINAL SALE ONLY - DUE TO THEIR RECENT EXPIRATION, THEY SHOULD WORK WITHOUT ANY ISSUE
Great for Pools AND Spas! Test Free Chlorine, Alkalinity, pH, and Cyanuric Acid - All in One! The Insta-TEST 4 Plus pool strips measures free chlorine from 0-10 ppm, total alkalinity from 0-240 ppm, pH from 6.2-9.0, and cyanic acid from 0-800 ppm. This test strip is an easy to use, dip-n-read strip providing instant results! The Insta-TEST® 4 Plus strip is ideal for pool owners who need the most critical tests for perfect water balance.
Each bottle includes 50 test strips, packaged in a waterproof PopTop bottle with a hinged cap, which also has a molded desiccant liner to protect strips from moisture and UV light.
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