Microbe-Lift Gel Filter Cartridge Inoculant</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Reef， marine and fresh</li><li>Contains 54 billion cfu per 4 liters of gel</li><li>Immediately establishes biological activity</li><li>Quickly stabilizes aquarium environments</li><li>Spread directly to your filter cartridges， filter pad or media</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/41F2euukmIL.jpg' noproxy></br>