50PCS 6-in-1 Swimming Pool Test Paper Residual Chlorine pH Value Alkalinity Hardness Test Strip Bronze Acid Exceptional

General description The 50PCS 6-in-1 Swimming Pool Test Paper is designed for testing residual chlorine, pH value, alkalinity, and hardness in swimming pools, spas, and hot tubs. These test strips are user-friendly, making them suitable for beginners, and provide quick results in just 17 seconds. Technical specifications Quantity: 50 test strips Size of each strip: approximately 3.9 x 1.6 inches Testing parameters: pH, total chlorine, no chlorine, total alkalinity, acid purification, total hardness Testing time: about 17 seconds Usage Soak 2 test strips underwater and keep about 15 strips in the air. Match the color of the strip to the color chart on the back of the bottle for results. Test water quality weekly to maintain proper chemical levels and prevent health issues and equipment damage. Other information Includes 5 moisture-proof packages for long-term storage.