Arch Chemical 66505 HTH Super Concentrated Clarifier， 1-Quart<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Restores crystal clear pool water</li><li>Does not effect ph balance</li><li>Super concentrated clarifier</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41R2pIsiViL.jpg" noproxy>