I have purchased, in the past, about 3 anemones. 1 long tent. and 2 seabeas. I am able to keep them for about 3 months then they seem to just die. I have a 55 gal standard with 257w worth of light. 2 96w PC and 1 65w PC. This is 4.6w per gallon. All testing is done on a regular basis. The only...