How To Keep Koi Fish In An Aquarium. That is possible as long as you do not overcrowd the aquarium with too many koi. Whether they live indoors or outdoors add no more than 3 new koi at a time.
Keep a cover over your aquarium. Your koi fish aquarium will also need a cover. Koi fish attract predators.
For this reason the importance of proper filtration cannot be understated if you.
Koi are omnivorous so will eat just about anything. Put the aquarium in a quiet area out of direct sunlight and drafts. Young koi can be kept indoors in an aquarium of at least 29 gallons. Koi fish require very clean fast-moving water highly-oxygenated water and they need a very large environment.
