A container pond offers a way to enjoy water gardening and even small fish on a patio or balcony, without the commitment of excavating a full in-ground pond.
Choosing a Container
A large, food-safe container of at least 20-30 gallons gives enough stability for a small fish population or a dedicated plant-only water garden.
Filtration
Even a small container pond benefits from basic filtration and aeration, similar in principle to the equipment discussed in our koi pond guide, just scaled down.
Stocking Considerations
Container ponds are generally too small for koi long-term, but can support small, hardy species like certain goldfish varieties or, in warmer climates, mosquito fish for natural pest control.
Seasonal Considerations
Small water volumes swing in temperature faster than larger ponds, so container ponds in colder climates often need to be moved indoors or drained before winter rather than left to freeze solid.
Browse our goldfish selection for suitable container pond candidates.

