Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
My 48" four blub is two years old. Customer service supplied me now with two new tested ballasts as mine died. They sent one and it was no good. Lots of e-mails. If that were your only light the corals would have died by now. Replacing my second ballast now that the other two lamps are no longer...
I have a blue throat trigger, lavender tang, scopus tang, eight line wrasse, and a few dwarf angels, none of which I have seen bothering any of the corals.
I am running a fuge on my 120 gallon display. During the day I get little to no polyp extension. However, other tanks I see either adding additives like the Zeo system or just plain sump adding nothing are getting large extension during the day or lighting period. I get good growth and color...
There is a battery powered air pump that also plugs into an AC outlet. When the power goes out it automatically turns on. I have had similar issues with power outages and this worked well. Less than 20 dollars from what I remember.