Who Gives A Fish Forums

Live food's great, but not everyone has the time or setup for it. If you're gonna use powdered food, make sure it's super fine. Some brands clump up and just sink. What's the brand you're using now?

Weekly water changes are solid. Any chance you're overfeeding? Extra nutrients can fuel bacterial growth. What's your coral feeding routine like?

Could be bacterial. Try a dip with Revive or CoralRX. Also, how old are your bulbs? Old lighting can stress corals out. Any fish picking at it?