brown algae in 10 month old reef

[Wiwam1]

i have a bad case of brown algae in my reef! my nitrates and phosphates are both zero and all my corals except my leathers seem to be fine helpppppppppppppp!

 

[fancyfish]

cut back on your feeding and increase your flow. Is this mostly covering the sandbed?

 

[Wiwam1]

mostly on the sand and rocks.......even some on my zoos