Are there any hardier or easier SPS chorals? I have tried a few birdsnest frags and an Acro, but none have lasted more than two weeks before losing all color and basically becoming a skeleton. My PH, Calcium, Alk all test perfect, but my Phosphates are high. The phosphates are at nearly 2.0. All other choral I have ever tried are growing quite well and my three nems are thriving. Is it just that the water must be perfect for SPS? or are there kinds that can tolerate some Phosphate? Thanks!