General description These 3-in-1 Spa and Pool Test Strips are designed for precise swimming pool testing, allowing you to monitor water quality effectively. Each test strip can measure three parameters simultaneously, ensuring your water is safe and healthy. Technical specifications Test parameters: pH (6.8-8.4), total chlorine (0-10), total alkalinity (0-240) Quantity: 100 test strips (50 strips per bottle) Packaging: Each bottle contains 5 small aluminum foil bags, with 10 test strips per pouch Usage Dip a test strip into the water for 2 seconds Remove and lay it flat Check the result after 15 seconds using the color chart on the bottle Recommended testing frequency: twice a week at both ends of the pool Other information Also suitable for testing drinking water, aquariums, industrial water, pond water, and hot spring water Helps maintain a balance between pool and hot water for optimal health