HASA 77121 Phos Out， Quart<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>It is proven to eliminate phosphates from sources such as fertilizers， cleaners， pool chemicals， and other pollutants</li><li>It is non-toxic; 100 percent safe</li><li>Superior performance</li><li>Effective for pools</li><li>Available in convenient one quart size bottles</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xgxHv1reL.jpg" noproxy>