Originally Posted by reefkprZ
its not the looks that bother me its the chemical composition of the rock. its leaching stuff that accelerates algae growth into your tank, like Iron, possibly phosphates, its hard to say with a dgree of real accuracy but it is not considered marine safe.
Well, since I am obviously not going to re-do my substrate, will a protein skimmer keep the levels of unwanted stuff down? I am either buying 20# of new live rock or a skimmer. If the skimmer is not a NEED right now, I will get the rock. You tell me.