35K views · 596 reactions | Sponge filter cleaning #spongefilter #diy #diyfilter #filtermedia #aquariumfilter #guppynest | Guppy'Nest | Facebook

27K views · 609 reactions | The Aquarium Sponge Filter is probably...

If you want to overwinter your goldfish, you can! You’ll need a bubbler/sponge filter and a water heater. You want to keep at that water heater near the bubbler so there’s still a way for the water to oxygenate throughout the winter and doesn’t freeze over. Some of the more delicate fancies may not be able to take this, but a good healthy one will, just don’t feed them! #fish #goldfish #aquarium | Luke’s Goldies