Does My Koi Pond Need a Filter

Originally Answered: Can koi fish live without air pump? Yes, air pumps are half assed way to make up for lack of a proper filter, maintance, and water movement.

Can Koi survive without filter?

Originally Answered: Can koi fish live without air pump? Yes, air pumps are half assed way to make up for lack of a proper filter, maintance, and water movement.

Can you have a koi pond without a pump?

Pond fish depend on pumps both to filter their excrement from the water and to keep the level of dissolved oxygen in the pond water at a suitable level. Fish may live for a short time in a small pond without a pump, but will quickly run in to problems unless the water is frequently changed.