corals gaping mouth

Installed my new Inkbird heating controller and oh how ironic.. The power strip that the controller provides was faulty and I didn’t know that until the alarm was going off at 5am. My temperature had swung from 78F to 74F in just 6 hours. Now I have a gaping anemone and corals...

I am having huge problems in my tank as of recent and am trying to figure this out and rule it out as a problem. I have a Tunze 9001 in my Waterbox Cube 20. The only way to use this skimmer is to put the skimmer facing sideways and the magnet is being submerged in the water. I was wondering if...