Following along again this year. Hope we both make it through. Last year we did OK with two solar aerators going - both broke down at some point but not at the same point....

I'm not into just burning fuel for no reason, but maybe a small auto-start backup generator would be appropriate given the potential loss you're dealing with each winter? Propane fired? Large propane tank might be tricky but it could be the ultimate belt and suspenders approach.

They've gone to plaid.