EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total…

Make sure this fits by entering your model number.
WHY TO TEST HOT TUB WATER: All hot tubs require regular maintenance to keep the water clean and safe for bathers.Mainly differences between hot tubs and swimming pools are a smaller volume of water and the water is warm. Because of the heat, the chemical balance can constantly change. Therefore, it is important that the hot tub is monitored regularly so any changes can be tested early and acted upon.
CYANURIC ACID IN HOT TUBS: Cyanuric acid, commonly used to keep chlorine effective in outdoor hot tubs and pools. Without cyanuric acid present, chlorine is more quickly destroyed by UV light. Cyanuric acid levels should be tested weekly and should be below 100 mg/L. Many experts suggest levels between 30 and 50 mg/L for maximum effectiveness.
EASY AND FAST TESTING: Just soak in water for 1 seconds; Then take it out, hold the test strip horizontally for 15 seconds; Compare with the color chart on the bottle. Test all necessary parameters for your hot tub at one time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine.
HIGH ACCURACY SPA TESTING STRIPS: High-quality fiber paper and no-bleeding pads selected after repeated trials by R&D personnel. No need to shake off excess water and follow the instructions easily, you will to get the accurate results.
TIPS FOR ACCURATE RESULTS: Keep wet fingers away from the strips. Read under natural daylight for best results.Store in a cool dry place.The expiration is 2 years from manufacture. Once opened, use up in 90 days.