So I'm having a bit of a turf algae issue. It's not in plague proportions, but none the less it has to go. This is a coral tank so I need a reef safe solution. Removing and scrubbing rock is a no go as well, I have about 140 lbs of rock, but the rock consists of 5 large pieces, all of which are covered with attached corals, and 3 smaller rocks, which also have attached coral.


