I would like to have some sps survive in my softy tank. I have 250w mh 20k so lighting should be ok. I run carbon and phosphate remover. I would say I have moderate flow. Every time I get an "easy" sps they bleach out on me within a month. They start to grow then start turning white. Can having too many softies be the cause? What factors must be different from softies, in order to have success with sps corals?