100Pcs 6-In-1 Swimming Pool PH Test Paper Chlorine Test Strip

1.Upgrade 6 inches (about 6 cm) 1 liter: test PH, chlorine, no chlorine, alkalinity, acid purification, full hardness, etc., more powerful than 5 or 4 pool test panels and liquid test tools 4. Health: Test strips are used for swimming pool, spa, hot tub water testing, and you can that the right amount of chemicals are in the pool to avoid health problems and equipment damage. 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 , which takes about 17 seconds. Pool test strips are easy to use and even suitable for beginners. 3.: The water quality of the pool should be tested weekly. of test strips includes 100 pool test strips and seals, 10 moisture-proof packages to long-term storage. 5.Test twice at the pool twice a week for best results.A good way to understand your water quality in the key.