50Pcs/Box 6 In1 Swimming Pool PH Test Paper SPA Test Strips Chlorine PH Alkalinity Water Hardness Cleaning Tools6-in-1 swimming pool and hot spring water test strips.Test free chlorine, bromine, pH, total alkalinity, total hardness and cyanuric acid.Test twice at the pool twice a week for best results.A good way to easily understand your water quality in the key.New and High QualityType: Swimming Pool SPA Test StripTest: TC, CL, PH, ALK, CYA, THQuantity: 50 / bottlePackage Include:1*Bottle Test Strip (50PCS) Test Range:Total Chlorine Test Range: 0~10ppmFree Chlorine Test Range: 0~10ppmPH Test Range: 6.8~8.4Total Alkalinity Test Range: 0~240ppmTotal Hardness Test Range: 0~1000Cyanuric Acid Test Range: 0~240 How to use:1.Remove the test strip from the container, making sure you have dry hands.2.Dunk the test strip into your pool and remove straight away.3.Wait 15 seconds and compare the colour of each test patch to the bottle. Sell Points:

1. Upgrade 6 inches (about 6 cm) 1 liter: test PH, total chlorine, no chlorine, total alkalinity, acid purification, full hardness, etc., more powerful than 5 or 4 pool test panels and liquid test tools
2. 17S test: There are 2 test strips for underwater soaking pools, keep about 15 in the air, and then match the color of the strip to the color on the back of the bottle, which takes about 17 seconds. Pool test strips are easy to use and even suitable for beginners.
3. Environmental protection: The water quality of the pool should be tested weekly. A pack of test strips includes 50 pool test strips and seals, 5 moisture-proof packages to ensure long-term storage.
4. Health: Test strips are used for swimming pool, spa, hot tub water testing, and you can ensure that the right amount of chemicals are kept in the pool to avoid health problems and equipment damage.