How do I kill mushrooms

[bowkry]

My tank is infested with mushrooms. Most of my tank is large rock with sps but the rocks are covered with mushrooms and they are killing my sps's. I have introduced a emperior (he ate my sps, had to sell him) I have a personifier he is totaly reef safe (thats awsome but) I have tried joes juice but it just shrinks them. If any one has any other ideas please tell me. I am ready to break my corals off and blast of my rock but some of my rock is like 30 - 40 pounds per piece