Keep your pool or hot tub clean and healthy with the AQUASPARKLE 4 Way Test Strips. These testing strips are perfect for detecting the levels of chlorine, bromine, pH, and alkalinity/KH in your pool or hot tub. With a pack of 50 test strips, you can easily test the water quality of all water types. The Aquasparkle brand is a trusted and reliable choice for all your pool chemical needs. These test strips are suitable for both swimming pools and hot tubs, making them a versatile option for any pool enthusiast. Don't let high levels of chlorine, bromine, pH, or alkalinity/KH ruin your pool or hot tub experience - get the AQUASPARKLE 4 Way Test Strips today.