4 in 1 Aquachek pool and spa bromine tester, Recommended for people who use bromine as a treatment product. Test to analyze the total bromine, ph, total alkalinity and total water hardness of your spa or pool. Advantages: Strips provide reliable, instant, accurate results It will allow you to keep your water balanced It checks the hardness of the water Help protect equipment from corrosion Reduce scale formation Features: Water analysis using strips Number of strips: 50 Result time: 3 to 5 minutes Recommended frequency for pool and spa testing: 2 times/week Aboveground, in - ground pools, spas The pH of your pool water must be included: 7.2 and 7.6 Reference: AQC - 470 - 0006 Tip: In order to obtain a complete diagnosis, test the pool water at both ends and compare the results. For a spa, it is recommended to test the water with Aquachek before each use. Packaging: 1 x 4 in 1 Bromine Tester for swimming pool and spa Delivered in its original packaging