Disaster!

[Timbits]

Okay so stupid me did a water change yesterday and the water level in the tank went down almost half way exposing some of my corals mainly my SPS. I Left 2 super blue T5 bulbs on so I can see. Didn't think it would be a problem because they werent going to be exposed very long but then I started smelling something really stinky and my monti colony looked kinda dry so I refilled the tank as quickly as I could and turned the lights off.

Today when I turn on the lights my monti tip especially the top was whitish and my red digi colony top branches were whitish and polyps not out like normal the bottom part seem okay polyps still out. Green bird nest polyps not fully out like usual and whitish. Even my lps hammer , frogspawn, octospawn not fully open like usual. everything else seems ok zoas, other softies some lps.

Is there anything I can do should I leave the main lights off for a few days?
Really sad my red digi colony was growing so nicely really don't wanna lose it.

On a good note though, I think my rbta split into 3!!! On the same night... Strange