Hagen Fluval Sea Calcium for Aquarium</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Concentrated form of calcium that is easily absorbedby corals and other invertebrates</li><li>Supports growth and condition of corals and other invertebrates</li><li>Uses only USP grade calcium chloride</li><li>Contains no gluconates， nitrates， phosphates</li><li>Free of unwanted contaminates</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/31%2BYVfMWrFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/31oiWTfuhRL.jpg' noproxy></br>