Ultima 26280 Nix Algaecide and Phosphate Remover for Swimming Pool， 1 qt.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Algaecide and phosphate remover in one</li><li>Stops algae before it starts</li><li>Swimmers can re-enter the pool just 15 minutes after application</li><li>Easy to use</li><li>No phosphate testing required</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41qV6ac8R6L.jpg" noproxy>