Your koi needs an environment that is clean and healthy for them to grow to their maximum potential. If you think that having a few water plants and a waterfall in your pond is enough, you are greatly mistaken.

You also need pond filters. Without proper filtration, your koi pond starts to turn green and becomes a breeding ground for parasites and bacteria which may eventually kill your koi.

There are essentially two types of koi pond filters. Firstly, the mechanical filter. This type of filter is to remove solid matter and debris from your koi pond such as fallen leaves, sand, dead algae and insects, koi waste etc. The type of mechanical filter I’d recommend is the type that employs a vortex system. This typically consists of a conical chamber that draws solid waste into its funnel where it is drained away into a settlement chamber at the bottom for removal. Be sure, however to choose a vortex system of an appropriate size for your pond. more…