Yes, I agree. A generator, UPS, or DIY hooked to a car battery, however it is usually lack of O2
that leads to death. Fish can generally live with colder temps for a while but they need 02.
I have 2 simple battery operated backup air pumps that turn on auto. if power goes out and can save a lot of money and suffering.
, all reefers need a backup to prepare for an emergency, no question especially during the winter.
Here is what I have. They run on D batterys. I tested them and they went for 4 days!