Hey, I have been having some major problems with hair algae and cyano that grows on top of the hair...Its been driving me crazy for the past few weeks. I just did a major water change to my 30 gal tank. I put in about 4 scarlet reef hermits and 3 emerald crabs. I ripped off most of the hair with my fingers and removed what i can of the cyano. Thiink these hermits and crabs can keep it all under control??? I have in my tank a flame angel, purple firefish, bi color bleeny, and an algae bleeny... What do you guys think???