<a href=showthread.php?s=&postid=12934635#post12934635 target=_blank>Originally posted</a> by crmjacks
from what i understand, none are completely safe.
<a href=showthread.php?s=&postid=12949911#post12949911 target=_blank>Originally posted</a> by JackKerouac
well if you see by this point of wiev it's not safe to keep Zooanthid (one of the most powerful natural toxin) or many other corals and fishes