New to the forum so quick intro to my setup. I have a 6 gallon mr. Aqua with 10 lbs of live sand and about 10 lbs live rock. Running eheim Classic 150 canister. Tank has been running a few months now and all levels are spot on. Upgraded my lights today and my sebae anemone went from healthy and beautiful looking to shriveled up to about the size of a quarter. What happened and will he recover?