how to prevent a algae in salt fish tanK?

[viperfish]

Originally Posted by jhoepopoy

i feed them twice a week a frozen food!!!

thanks

I feed daily. Twice a week is barely enough for most fish. Some fish such as Anthias have very short intestinal tracts and need to be fed two or three times a day. Smaller portions once a day would probably suffice for you, just be sure you are feeding the fish instead of the tank.