CaribSea Purple Up Algae Accelerator， 16-Ounce</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Accelerates desirable pink and purple coralline algae growth</li><li>Won't encourage growth of nuisance algae</li><li>Raises calcium， iodine and other trace elements essential in reef aquariums</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/41bw5AR5BxL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41wOhI04LkL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41NFew6j-CL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/3129xSwYrdL.jpg' noproxy></br>