Jan 24, 2012 #1 jaysauce Active Member View Badges Joined Apr 12, 2010 Messages 293 Reaction score 34 Location Orange County, CA Rating - 0% 0 0 0 Can anyone ID the stuff that is on my rocks? Is it just diatoms?
Jan 25, 2012 #2 A aznnutty Active Member View Badges Joined Sep 25, 2009 Messages 111 Reaction score 8 Location northfield Rating - 0% 0 0 0 if your refering to the brown slime like thing, it looks like diatoms
