One head of my 2 headed torch just withered up and died within 2 days, and I can't figure it out. Water tests good. Ammonia and Nitirites at 0, Nitrates at 5, pH 8.2, 78.4 temp, .026 salinity,mag 1320, my alk is skyhigh at 15 (which is lower than it has tested before(extemely hard water)). All my other LPS look good, softies and zoas same. I checked it tuesday early before the lights were on and it was slightly deflated, by the time I got back home at 7pm, it was totally defalated at was showing quite a bit of skeleton, by this morning it was all skeleton, but the other head still looks normal. I don't get it. I've had it in my tank since the Lansing swap. The only change to the tank was I bumped the halides up to 8 hrs from 7 hrs. Let me know what you guys thinks is going on.