AquaChek® TruTest® Test Strips Refill 50 Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>No visual color matching</li><li>Accurately tests for Free Chlorine， Bromine， pH， and Total Alkalinity</li><li>Get results in 15 seconds</li><li>Eliminates the guess work</li><li>Includes 50 Trutest strips</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5174sWBAEyL.jpg" noproxy>