QMSKI Pool Test Strips SPA Test Strips Water Hardness Test Strips Hot Tub Water Test Strips Drinking Water Test Strip 7 in 1 Testing Chlorine Bromine

Introducing the complete pool water testing strips for your daily needs from the 7- in-1 Pool and SPA Test Strips. It can detect the content of 7 elements in water?Total Hardness,Free Chlorine,Total Chlorine,Bromine,pH,Total Alkalinity and Nitrite. You Can Test The Water Quality In These Places: Pool Water/Hot Tub/Dishes Water/Washing Face Water/SPA/And more Specifications: Material:PET Test time: 60s How to use: 1.Dip the reaction area of the test strip into the solution to be tested for 1-2 seconds, take out the test strip, run the edge of the test strip along the mouth wall of the solution container, and remove excess water from it. 2.After 1 minute, the reaction area of the test bar was compared with the color of the colorimetric card to determine the test value of the solution to be tested. 3.The optimal colorimetric time is 60s, and too long or short time affects the reading. Package Includes: 100pcs PH and Alkalinity testing