AquaChek 511710 5-in-1 Chlorine Test Strips<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Professional tests total chlorine， total bromine， free chlorine， pH and total alkalinity</li><li>Designed to meet the unique needs presented by the higher water temperatures in spas</li><li>AquaChek spa 5-in-1 test strips provide comprehensive testing ensuring both clean and healthy water and protection</li><li>To keep spa at its best， test before and after each use and treat the water regularly</li></ul></div><img src="http://ecx.images-amazon.com/images/I/511kHsWzvEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y9V0R3-ZL.jpg" noproxy>