I was just there on Saturday. The main tank was not down, HOWEVER, I noticed a lot of missing fish. They used to have a well stocked tang tank, I didnt see much. And the sharks and stingrays are all missing due to parasite risk
Go at opening or after 3-4. Avoid the largest crowds. I get in free as a teacher and my wife is a member so we go several times a year with our son. He just likes the run down the ramp mostly...