why my fishtank has a lot of brown algae even when i clean

[dacyn46]

hello ,, i have a very serious algae problem,, i clean the gravel and fater maybe ten minutes you see brown algae again,, the glass , the rocks and everything,,, we have now 4 months with the tank,, we have a few crabs and snails, a coarla beauty, a maroon clown, a cleaner shrimp ,a brittle star and three damsels,, we recently lost an anemone,,,, can some body help us and give us a good advice how can we control this problem... thanks a lot.... dacyn46 plssss [/b]