<a href=showthread.php?s=&postid=11865939#post11865939 target=_blank>Originally posted</a> by briangg57
The way you discribed the brown algea as almost slime with air bubbles leads me to think you may have the same problem as me. Possible Dinoflagellates. I did a search today on RC and 9 posts came up. 1 post had a very good picture and unfortunatly it is what I have. You may want to check it out. Just quick scroll through posts. It is the one with recieding zoos.