Ulisem 4-in-1 Pool and Spa Water Tester, 50 Pool Test Strips, Pool Test Strips, Chlorine Pool Test

Features: 1. Tests 4 parameters for pool and spa water quality: chlorine, free chlorine/bromine, alkalinity, and pH. 2. Quick and easy testing: a single immersion in water is all it takes to get accurate results in 0 to 1 minute. 3. Easy reading: compare the test strip to the color chart and read the results based on the color change. 4. Comes in a convenient pack of 10 strips per pack, long shelf life, and durable. 5. Lightweight and portable, easy to carry. Suitable for swimming pools, spas, and hot tubs. Specifications: Item Type: Test Strips; Material: Test Paper; Color: See photo; Weight: Approx. 31 g / 1.1 oz; Test Material: Chlorine, Free Chlorine/Bramine, pH, Alkalinity; Storage: Store in a cool, dry place away from high temperatures. Package Contents: 1 bottle of test strips (5 bottles, 10 strips each, total 50 strips). Note: 1. Monitors are not calibrated the same way. Item color displayed in photos may be slightly different from the real object. Please refer to the actual item. 2. Each small package is identical.