ITEM NAME:50Pcs Swimming Pool Spa Water Test Strips Ph Chlorine Alkaline Acid Bromine A4C8 50Pcs Swimming Pool Spa Water Test Strips Ph Chlorine Alkaline Acid Bromine A4C8 [Upgrade 6 in 1]test strips can be used to test PH, total chlorine, free chlorine, total alkalinity, cyanuric acid, total hardness, etc., with more features than other test strips and liquid test kits. [Instructions]In just 17 seconds, you can read the data, immerse the test paper in water for 2 seconds, let it sit in the air for about 15 seconds, and then match the color of the strip to the back of the bottle.Water quality should be tested once a week. [Basic requirements]test strips can be used in test strips for swimming pools, spas, and hot tubs to ensure water quality in the pool, avoiding health problems and equipment damage. In such a hot season, it is the happiest thing to go to play with water, but is the water you play clean? Do you know that all kinds of leaves, grass, dust, rain, etc. will pollute the swimming pool? Poor water quality can cause damage to disease and swimming pool equipment. Therefore, it is very important to test the water quality of the pool regularly. size:96*36mm Material:paper colour:Photo Color Package Contents: 50 * test strips
