Pack of 00 3-in-1 Spa and Pool Test Strips <p>✨At the same time: It can be used for precision swimming pool testing, each test strip can test three parameters at the same time, the test range is 6.8-7.2-7.4-7.6-8.0-8.4; total alkalinity, total chlorine, the test range is 0-1-3 - 5-10; total alkalinity, the test range is 0-40-80-120-180-240.</p> <p>Simple and accurate: Take a test strip and dip it into water for 2 seconds, take it out and lay it flat. After 15 seconds, check the result according to the color mark on the bottle.</p> <p>✨Easy to store: 100 test sheets in two bottles. Each bottle contains 50 test strips, which are sealed in 5 small aluminum foil bags. Each foil pouch contains 10 test strips to prevent them from getting wet for long-term storage and use.</p> <p>Healthy Water Quality: Ideal water quality makes life healthier, safer, and more environmentally friendly. Test both ends of the pool twice a week for best results. Ensuring it is within the recommended range will help maintain a balance between pool and hot water.</p> <p>Application: Also suitable for detecting liquids such as drinking water, swimming pools, aquariums, industrial water, pond water, and hot spring water.</p>