Carib Sea ACS01530 Purple Up Corraline Algae Growth Accelerator for Aquarium， 1-Gallon<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>dual approach ; ionic and carbonate calcium in one</li><li>designed specifically to target coralline algae acceleration</li><li>contains trace elements</li><li>patented product</li><li>made in the USA</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ezIehBlgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31KbGDD2dQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31GqkUv9ZyL.jpg" noproxy>