Quite risky. Depends on the percentage of dead material in there. I have seen a whole tank die in such a situation. And it was a 2260 eheim. Killed everything after a couple of days off power.
Wow, I know bb isn't the same, and it adapts to different conditions and variables, I'm in no way saying leave it in the can, because when my filter shut off I unplugged it and forgot to plug is back in for 36 hours. I had just cleaned it out a week before so like you said that helps.
Good insight, I never even considered that. Makes sense that a canister that hasn't been cleaned out for a long time will have more waste inside thus killing bb quicker!
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