Pool Check Test Strips 3 in 1, the perfect solution for maintaining your hot tub's water quality. These convenient strips make testing your water easier than ever, with no messy liquid testing kits required. Simply dip the strip in the water, and within seconds you'll have accurate and reliable results for pH, chlorine, and alkalinity levels. Our 3 in 1 test strips are perfect for both novice hot tub owners and experienced users, providing an easy-to-use solution for keeping your water balanced and safe for all your soaking needs.