4 in 1 Combo Chlorine + Shock Test Strips

Keep your pool or spa water crystal clear with our 4 in 1 Combo Chlorine + Shock Test Strips! This pack of 50 strips provides accurate and fast results for testing levels of chlorine, bromine, pH, alkalinity, and shock. With these user-friendly strips, you’ll be able to quickly and easily maintain the perfect balance of chemicals in your water, so you can enjoy a refreshing swim all summer long.