View Full Version : Weird green algae on lace rock

08-03-2010, 9:27 AM
Someone told me that lace rock may not be good in a saltwater aquarium, that a green algae grows all over the rock but doesn't seem to affect live rock. Something about the chemical make-up of lace rock which favors this. Anybody vouch for this? I did a Google search, but haven't come up with anything like he was suggesting.

08-03-2010, 10:57 AM
He was possibly referring to silicates leaching out