I've had a minor outbreak of what I'd call a fuzzy algae. I have a small rock with a small GSP colony in my main tank that was starting to be covered by it. It took some work with a small brush to get it off (without damaging the GSP). It was starting to grow actually on the GSP's "base", and the polyps weren't coming out much.
There is a rock in my fuge (like an acropora skeleton), that is covered by the stuff. That rock is pretty good sized - 10" long or so. Its really thick on it.
Its short - no more than 1/8" long, but like grass. Dense, greenish-brown. No real stiff, it waves in the water, and goes flat against the rock if I pull it out. No cleanup crew of rish seem interested in eating it.
Should I bother trying to clean up the rock in my fuge, or just discard it? I'd hate to toss it, there are several small feather dusters growing on it, but I don't want this fuzzy stuff spreading to the main any more.
Any yeah - I know - nitrates cause this. PWC
's fix it. Doin that.
180G build thread
180G All-glass with dual megaflows in a custom stand
AquaC EV-180 skimmer
250 pounds LR
160 pounds aragonite
Custom acrylic sump from GlassCages.com
2xPCX-40 return pumps
2x250MH 14K, 2x175MH 14K - PFO lighting, 2x65W PC
No-name 36W UV
Water General 125GPH RO/DI