Hi, I need a little help. So my Candy cane coral, and Wild Eye Favia are doing bad. The candy can corals polyps have been 1/5 their normal size for around two weeks. The Favia's polyps have receded half way, and some look as if they are melting. Both have a very slight loss of pigmentation. I checked ammonia, nitrite, nitrate, phosophate, calcium, alkaline, magnesium, pH, and salinity; all check out fine. My sps and soft corals are doing fine. The only other LPS i have is a Wisker coral who has...