I have a lot of live rock in my 90 reef and most of it is covered on every inch with very short algae. I have it under control such that it's not growing, but I'd like to get rid of it. I just (finally) have a skimmer on board and working and a carbon/gfo reactor, so I'm confident in controlling nutrients going forward. Someone suggested to me that I should turn the lights off for two days, kill the algae, blow the rocks clean, turn lights back on. The idea appears sound; what say you??