nuked

Hi, this is would be my first post but I have been on site for a good time now. So last evening I did a good clean up of my tank and did a 30% wc. I went to sleep at 1am (6-7h after wc) and everything seemed fine, I woke up in the middle of the night at around 5 and all my fish were dead except...

So, I'm relatively new to the hobby, I have 32 biocube that's about 2 years old. My livestock includes 2 ocellaris clowns, a spotted mandarin, 2 damsels, Mexican turbo, bunch of blue hermits, a coral banded shrimp, and a lot of corals. I didn't know anything about aquascaping when I first got...

Accidentally double posted, not sure how to delete this. Please see other post https://www.reef2reef.com/threads/nuked-my-tank-with-epoxy-a-cautionary-tale-with-a-happy-ending.860107/