Glow Fish

[Ann1]

I know this is for tropical fish. I still I you can help. We're have a scheduled power outage, it will last about 7 hours. I want to keep them from getting cold. Night temperature will be in the 30s. Is there anything I can do?
Thank you

 

[Bruce Leyland-Jones]

I know this is for tropical fish. I still I you can help. We're have a scheduled power outage, it will last about 7 hours. I want to keep them from getting cold. Night temperature will be in the 30s. Is there anything I can do?
Thank you

Throw a load of blankets over the tank. Should be okay for 7 hours.

 

[StandbySetting]

Aye as above really, wrap the tank in a duvet, basically insulate it as much as possible until your power is restored. Fish are generally quite good at tolerating gradual short term changes in temperature, think day and night in the wild, also rain etc.

 

[Colin_T]

Hi and welcome to the forum

As the others have mentioned, insulate, insulate and insulate.
You can tape 1 inch thick sheets of polystyrene foam on the back, sides and front of the tank.
Have a coverglass on top. Get 4, 5 or 6mm thick coverglass because it is less likely to chip compared to thinner glass.
If you have an external power filter, insulate that too.
Raise the tank's temperature to 28C before the power failure.
Close the door for the room the tank is in and try to warm the room up before the power failure.
When the power goes off, cover the tank with towels or blankets for more insulation. Make sure they don't come in contact with the water because they could drain the tank.
Remove covers when power comes back on so lights don't cause towels/ blankets to burn.

Get a battery powered air pump and have it bubbling away a bit during the power failure. However, if the room gets cold, turn the air pump off so it doesn't pump cold air into the tank and drop the water temperature.

 

[raylove]

Seven hours is quite a long time to starve a filter of oxygen, so if you do have a canister filter I would be inclined to remove it and keep the media in a bucket to keep it oxygenated. Insulate it as best you can but the bacteria will survive the drop in temperature OK, so it's more to avoid pumping cold water back into the tank. Obviously reconnect it as soon as you have power again.