AquaChek 551236 7-Way Test Strips

High-quality Hach chemistry on an easy-to-use test strip. Simply dip the strip in sample and compare with colors printed on the bottle to find a reading. Test strips are accurate, portable, and low-cost. Silver Test Strips test for; Total Hardness, Total Chlorine, Total Bromine, Free Chlorine, pH, Total Alkalinity, Stabilizer Cyanuric Acid 7-IN-1 TEST STRIPS: Tests the most critical parameters: pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, & Cyanuric Acid AQUACHEK ACCURACY: Using medical industry technology, our test strips offer comparable accuracy to liquid tests; No measuring & counting drops of reagent, leaving less room for error EASY TO USE: No more messy drops; Just dip the silver strip, remove it, wait 15 seconds, & compare with the color chart on the bottle; Test water at least twice a week for safe & balanced water SAFE & CLEAN WATER: Each color pad is designed with unique paper to optimize color vibrancy & mitigate color-bleeding to help maintain healthy water chemistry TRUSTED QUALITY: With over 35 years in the business, our products will help professionals maintain healthy pool and spa water chemistry