It's gotta be something else than the fish....
When I neglected my tank for 5 months I basically let it run to shit, and it was a chain reaction acros went then Lps and finally I told friends to come save the rest and gave the tank away. However it took a really long time for the tank to be in a death state.
Maybe you added something that was toxic, stray voltage, sudden rise in temp, not enough oxygen, or maybe the bacteria died caused a huge spike that stressed the corals to the point they released skin....
Just thinking out loud
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Always looking for the next best coral...
90g starphire cube/400mhRadium20k/2 XHO/2x27w UV/2x39w T5/ 3 Trulumen led strips
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