Can You Keep Koi Indoors

Koi grow quickly and get very large. Keep mature koi in an outdoor pond of at least 3 feet deep, with at least 50 gallons of water per fish. Young koi can be kept indoors in an aquarium of at least 29 gallons. Put the aquarium in a quiet area out of direct sunlight and drafts.

Do indoor koi ponds smell?

Algae – when the water in your indoor pond begins to appear turbid and emit an unusual smell, it is probably due to algae or unwanted microorganisms. To rid your pond of them and keep your koi healthy, you will need a koi pond UV sterilizer.

Can I bring my koi inside for the winter?

Even though it is already winter, and we recommend not disturbing your fish while they are “hibernating”, it’s not too early to start planning for next winter. It is more time consuming to care for your Koi if they are brought inside over the winter. …