Fluval SPEC Biomax - 2.1 ounces</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Stage three biological filtration</li><li>Provides optimal colonization of beneficial bacteria</li><li>Helps create a healthy environment for your fish</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/41ycETz-ZmL.jpg' noproxy></br>