DEWU 50 Pool and SPA Test Strips Hot Tub Strips, Quick Accurate 7 in 1 Kit, Bromine, pH, Hardness Chlorine Water with Ebook

【Faster and Simpler】Our test strips are faster, simpler, and more accurate than liquid test kits. Clear and colorfast color charts make them easier to read and understand and how to keep your water clean year-round. 【Easy To Use】Pool water test strips get immediate and reliable results with simple and clear instructions. Just dip and compare to the large color chart the bottle where the ideal range is marked. 【Diving and Swimming Carefree】Relax in the sparkling clean waters of your pool or spa. These test strips provide reliable, accurate readings in seconds so you can enjoy your next swim stress-free. 【50 Strips Means 50 Tests】Each swimming pool test strip provides accurate and fast results for any water source, including fresh and saltwater pools, spas, and hot tubs. 【7-in-1 Pool Test Strips】These Pool and Spa Test Strips can be used to test 7 water quality parameters including total hardness, total chlorine, bromine, free chlorine, pH, cyanuric acid (stabilizer), and total alkalinity.