50 Pcs Test Strips Hot Tub Spa,6 in 1 Kit Pool and Clear Chemicals DipSwimming for Rapid Measurement of Residual Chlorine in Water PH Total Hardness Alkalinity for Tubs Free Bromine Ttorage Bottle

[ 6 IN 1 Test Strip ] The ph test strip is newly upgraded, with 6 in 1, which can simultaneously test six kinds of PH, total chlorine, free chlorine, total alkalinity, cyanuric acid, and total hardness. More effective than other hot tub test strips. [ Easy to Use ] It is also very simple for first-time users, just take a piece of test paper and immerse it in water for about 2 seconds, remove it and put it flat, and compare the reading with the color card after 15 seconds. [ Application ] Suitable for drinking water, aquariums, swimming pools and spa, sewage and other liquids. It can also be used to test hot tub water, it will work normally. [ Quality ] The pool test strips 50/100 count is made of high quality imported filter paper.Each hot tub test strips with 6 colors indicators, high accurate and reliable instant reading. [ Easy to Store ] Spa test strips were packed in a easy-to-store container to ensure long-term storage.