Leisure Time 22338 Spa Down， 2-1/2-Pound<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Always maintain the pH of your spa water between 7.2-7.8. A high pH (above 7.8) can cause scaling and/or cloudy or colored water.</li><li>Compatible with all sanitizers including bromine， chlorine and biguanide</li><li>For more than 25 years， Leisure Time has been the premier name in spa water care</li><li>Adjusts water pH and alkalinity downwards</li><li>Fast-dissolving granular product</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41o%2BpwCTT8L.jpg" noproxy>