Aqua Chek Aqua Chek Yellow Test Strips
The quick, easy way to test pool water! No more vials, reagents and messy drops. Use Aqua Chek's simple, yet accurate test strips instead of that complicated liquid test kit. Just dip and read the results in 30 seconds. The 4-Way Chlorine strips test for Free Chlorine, pH, Total Alkalinity, & Cyanuric Acid.