Simpolor 3-Way Swimming Pool Test Strips, Hot Tub and Spa Water Test Strips Kit for Rapid Measurement of Free Chlorine pH & Total Alkalinity, 50 Strips
3-IN-1 WATER TEST KIT: Three keys to maintain the water quality in your swimming pool or hot tub are Total Alkalinity (TA), Free Chlorine and pH. Combining 3 tests into 1 strip, our water test strips makes water testing effective and easy.
FAST & RELIABLE TESTING: Just drip the test strip into the water for 2 seconds before removing. Then hold the test strip horizontally for 15 seconds until the color changes. Finally, match the color of strip with the color of chart for your results.
HIGH QUALITY MATERIAL: Our test strips for swimming pool are made of high-quality fiber paper and no color bleeding pads. No need to shake off excess water and just follow the instruction, you will get accurate results easily.
WIDE APPLICATIONS: These spa testing strips can be widely used for drinking water, aquariums, swimming pools, spas, industrial water, ponds and hot springs, meeting your different needs.
SOME WARM TIPS: Keep wet fingers away from the test strips; read results under natural daylight for accuracy; store in a cool dry place. At least test 1-3 times a week to check your water quality is recommended.