50 Strips 7 in 1 Pool Spa Test Strips,Water Test Strips for Hot Tubs,Ph Strips for Acid Alkaline,Soi

7 in 1 Upgrade: Test PH, Nitrite,Total Chlorine, Free Chlorine, Total Alkalinity, Nitrate, Hardness at the same time, more functional than 5-way or 4-way pool test strips and liquid test kit.Easy to Use: Immerse the test strip in water for 5 seconds, hold it in the air for about , and then adjust the color on the back of the bottle to get a reading to comfortably test your pH .Practical in Use: and pipes or swimming pools can be easily contaminated. It is recommended to use this test strip frequently. Measure your pH accurately to show alkaline status by using the strip. your body and water are safe.Economical and Applicable: Water quality should be tested weekly. It is used for water quality testing of drinking water, household taps, well water, freshwater fish tanks, swimming pools and more.Easy to store: These spa test strips were packed in an easy-to-store container. There are 50 test strips in each bottle. It is compact and easy to carry.colour: as shownMaterial: PaperPackage Contents:50 x test stripsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.