7 in 1 Pool and Spa Test Strips- Easy to Use Water Testing Kit for Pool,Spa,Hot Tub and More - Tester Strip for Water Hardness,Chlorine,Bromine,pH,Alkalinity and Cyanuric Acid (100 Strips) Features: pool test strips can be used to test pH,total alkalinity,cyanuric sourness,total hardness,etc.,with more of features that other test strips and liquid test kits the test paper in water for 2 seconds,leave it in the for about 15 seconds,and then match the color of the tape to the back of the bottle. In just about 17 seconds,you can read the data The quality of the pool water should be tested once a week. Our test strips include 100 pool test strips Test strips for pools,spas,spas Test the quality of the water,you can ensure the quality of the water in the pool to avoid health problems and damage to property Suitable for water testing of domestic water,,swimming pools and spas,industrial water,pool,spa water and many more. Specification: Material: paper Size: About 9.6x3.8cm/3.7x1.4in Package List: 1x bottle of PH test strips (100 strips) Notes: Due to different displays and lighting effects,the actual color of the product may be slightly different from the color shown on the picture. Thanks! Due to manual measurement,allow slight measurement deviation. 【Comprehensive Testing】 7-in-1 test strips cover all essential water parameters: hardness,chlorine,bromine,pH,alkalinity,and cyanuric acid. 【Easy to Use】 Convenient and simple to use; just dip and compare for accurate results. 【Suitable for All】 Ideal for pools,spas,hot tubs,and other water bodies to ensure safe water quality. 【Quick Results】 Rapidly assess your water's health with these fast-acting strips. 【Economical Pack】 Comes with 100 strips,providing a cost-effective way to monitor water chemistry regularly.