sera Aquatan 250 ml， 8.45 fl.oz. Aquarium Treatments</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Immediately removes chlorine and chloramines</li><li>Binds toxic heavy metals such as copper， zinc or lead</li><li>Prevents water pollution by ammonia</li><li>PH neutral formulation</li><li>Quickly allows new additions when combined with sera bio nitrivec</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/41ANL%2BB6wFL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/51EfQQro5BL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41qivJa8MQL.jpg' noproxy></br>