Applied Biochemist 403303A Silvertrine Algaecide， 32-Ounce<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Silver trine algaecide eliminates tough black and mustard algae</li><li>Tasteless， odorless and non-foaming at pool concentration and may reduce other chemical usage</li><li>Will not damage tile， concrete， metal or plastics</li><li>Improves filter operation</li><li>Compatible with chlorine and bromine sanitizers</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TRjrM2k7L.jpg" noproxy>