Originally Posted by chris88 (Post 621139)

I have to agree with you. maybe its the bitumen lol. take a look at the full tank shot. in the bottom left where the major red paly colony is. the far left of that colony is now starting to spread and cover the rock beside it. That has happend in a month or so. i wouldnt be suprised if it covers that whole rock in another month or two. I can't take credit for anything, i really do nothing special to brag about. like you said it could vary well be something in that water.

Originally Posted by chris88 (Post 621022)

I have had about the same growth rate when i ran a carbon source (vinegar)to get nutrients really low and when i let me tank get a little bit dirty. I dont know what i could be doing differently. i also notice no difference in tap or ro water. The only thing i can think of is that i do not do water changes. i dont know if that is whats causing them to grow but its something to think about.