Hi everyone this is my first problem my live rock is been in my new nano cube for 1 and half weeks cycling has started, and in 3 days I have a brown ish colored alge all overs the place its worse on my sand and as long as I leave the light on it doubles so now no lights but I need it to help the rocks but I am going to do a water change but is there any chemical I can add to do away with it fast? Thanks saltydog22




