My galaxea has been in my tank for about 2 weeks, the last week i noticed one area of the tissue ballooned up crazy and then 2 days later it popped and the skeleton was exposed, now a few days later the whole coral is blown up like that and likely going to pop exposing the whole skeleton around each polyp. Each polyp is still opening like normal but the tissue between them is all expanding and dying. Should i do a large 20% water change? Move it to a empty aio 3g pico i have with 100% new water? do a antibiotic dip with any of thomas labs products? any help is very appreciated as it is going downhill quick. I have a terrible record with corals and have never had a stoney coral grow at all yet in my main tank over years. All other new corals i just got look ok so far though.