dying coral

So I went on vacation for 4 days and I left the AC on at my apartment. I went to my car ready to go, and my fiance went back inside to grab something. Not thinking, she turned it off and we had a heat wave. When I got home, I checked on the aquarium and it was sitting at 90 degrees... the fish...

Hello all! Hopefully this is I'm the right place... If it is not, please forgive me. I've been seeing a decline in only my euphyllia recently, and I'm at my wit's end as to what could be happening. I've tried everything, and checked all parameters (listed below). Everything else seems to be...

Hi, I have an issue I am stuck on, about 2 weeks ago my 450 litre reef tank of about 3 years started to look like corals not at there best, 1 of my hammers was not opening fully like it had, then I noticed my plate was starting to look like it was peeling and an unknown was not looking healthy...

I started my tank in March of 2019. Things have been going well until recently. I've noticed some, not all, of my SPS and LPS corals' tissue start to recede. I thought this could be due to dosing vibrant so I stopped dosing it 4 weeks ago. My issues continued so I bought an ICP test to try to...