7-in-1 Pool Water Test Paper, 50 high-quality strips for testing pH, chlorine, bromine, acidity, and cyanide.

Features: 1. Easy to use: Simply immerse the test strip in water for 5 seconds, remove it, wait 1 second, and compare the color change of each strip with the color chart on the side of the bottle to get the result. 2. Test for free chlorine, pH, and total alkalinity: Enjoy stress-free swimming. 3. Quick and easy to use: Accurate pH test paper can be used to test water quality in swimming pools and hot springs to protect your health. 4. Maintain healthy and clean water quality: Use these test strips to help your pool or hot spring maintain good water chemistry and keep the water healthy and clean. 5. 5.7-in-1 Complete Chemical Test: Tests for total chlorine or bromine, free chlorine, total alkalinity, pH, total hardness, and cyanuric acid. Specifications: Size: 9.3 x 3.5 cm; Material: Paper; Quantity: 50 pieces/bottle; Uses: Suitable for water quality testing in swimming pools or hot springs, and can detect available chlorine, pH value, total hardness, etc. Package List: 1 bottle of test paper