How long without filtration?

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kageh124

Jack Dempsey
MFK Member
Mar 14, 2012
468
2
33
MD, DC Area
For a 225 gallon tank, about how long can the fish be without filtration?

The pump for my sump died and I can't come up with an alternate means of filtration until later tonight.
 
Do you have any aerators running? Also how heavily stocked is the tank? This is why I also have a canister running on all my large tanks in addition to a sump.
 
Your fine, just use an airstone. In some countries with limited electrical service the fish breeders just do regular large water changes.

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Hello; In the distant past many tanks were set up with no powered aeration or filtration at all. I ran a few that way. I ran many tanks for decades with only air operated filters, air stones and UGF. I now use powered filters but also have at least a bubbler of some sort in each tank.

Over the decades the loss of electric power or the failure of a powered filter has occured many times. Many of the early commercially available powered filters were very unreliable. The stuff I have now has proven to be good for a long time.
I have found that stocking tanks at a level where the fish can survive many hours (or a few days) without any electric power to have often paid off. Stocking at a level that requires a constant powered system for basic fish survival has proven to lead to disaster for many. At the very least having a good air pump and some sponge filters or bubblers on hand can keep tanks going for many days/weeks.

Good luck
 
I think you can run an airhose/stone in the sump to help keep BB alive.I would also not feed the fish while pump is not circulating

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