saltater aquariums

Regarding the anenome I have an LTA and a sebae they were getting along with no problems I wake up this morning and the LTA has made the sebae move so to speak, my sebae is now under the rocks I have in my tank by the foot of my LTA, What should I do , Or can I do

My moms new to saltwater tanks and buys long tent anenomes which start strong and fine but then go off color, get small, and die! This one paired with a clown so she really wants it to make it and Im trying my best to help her find answers before it goes. Info: The water tests in all the...