It just stays closed now, it’s only been in there for 2 days and now it won’t open back up. I’ve been feeding that and my Haitian Pink Tipped Anemone "Coral-Accel". Do they need something else? Thanks.

I have a 10gal tank with 7lbs of live rock, 10lbs of live sand, and 2 Damsels (which I put in 2 days after setting the tank up). It has been 6 days since I set it up and the last two days I have noticed that my live rock is turning a lot darker with algae. The little bit of coralline algae I had is turning dark red and the rest of the rock is getting some yellow and green algae. The sand is also getting a …