Our 7 in 1 Pool Test Kit offers a simple yet accurate solution for testing 7 key water parameters in swimming pools, spas, aquariums, and fish tanks. Effortlessly measure pH, KH (Total Alkalinity), GH (Hardness), CYA (Cyanuric Acid), TCL (Total Chlorine), CL₂ (Free Chlorine), and BR (Bromine). Perfect for both residential and professional use, it ensures comprehensive water quality monitoring for safe and clean environments. QUICK & EASY TO USE: Follow the intuitive, non-technical instructions with clear pictograms-no expertise needed! Simply add 1 drop of water into each test hole, wait 15-30 seconds, then compare with the color chart. Get reliable results in seconds, making water testing a breeze for everyone. EXPERT STANDARD: Engineered to meet professional industry standards, this test kit guarantees accurate and trustworthy results. Monitor 7 vital water parameters regularly to maintain optimal water quality, ensuring your pool, spa, or aquatic habitats stay clean, safe, and well-protected. BUILT TO LAST: Crafted with durable materials, this test kit withstands multiple uses. With sufficient testing capacity for regular checks, it's ideal for in-ground pools, above-ground pools, hot tubs, spas, aquariums, and fish tanks. Reliable for season-after-season use, ensuring long-term water quality management.<br><br>Colour:White Material:plastic<br><br>Package Contents: 5 x 7-in-1 Water Test Cardboard 1 x Test Tube 1 x Color Comparison Chart 1 x Dropper<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.