Who Gives A Fish Forums

My coral does the same thing, looks great most of the time, then shrinks up. It's probably just expelling waste, like a natural process.

Set up my 90 gallon tank about 5 weeks ago. Used 90 lbs of cured live rock from an established tank to cycle it. Coflakeife salt and Carib alive sand were my choices - 80lbs of the latter for a 4 inch base. I've got a Megaflow 3 sump with a Rio 2500 watt pump pushing 594 gallons/hr, and a Coflakeife ...