<a href=showthread.php?s=&postid=13085976#post13085976 target=_blank>Originally posted</a> by paulamrein
Are you sure about that? You are correct in that it's caused by a gram negative bacteria, and that most marine bacteria is gram negative. What I question that you say it's safe on your biological filter as your biological filter IS GRAM NEGATIVE.
Any and all treatments should be done in QT.