Ensure your swimming pool and hot tub water is safe and clean with our 3-in-1 Test Strips for Chlorine, pH, and Alkalinity. These easy-to-use strips are perfect for monitoring water quality in swimming pools, hot tubs, ponds, and spas. Simply dip the strip into the water, remove it, and check the results against the color chart on the bottle within 30 seconds. Each pack contains 50 strips, making it easy to test your water multiple times a week throughout the summer season. Keep your water crystal clear and enjoy a worry-free swimming experience!