W winyfrog New member Jan 27, 2006 #3 Corals like random flow, I would not point a power head directly at them. You can damage the corals flesh. Think about where a coral grows in the wild, they grow on a reef that gets constant movement in many directions.
Corals like random flow, I would not point a power head directly at them. You can damage the corals flesh. Think about where a coral grows in the wild, they grow on a reef that gets constant movement in many directions.