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Pond Pumps For A Koi Pond

What Types Of Pond Pumps Are Best For A Koi Pond?

There are two basic types of pond pumps for a koi pond you can choose from when building a koi pond. One is the submersible pump and the other is the external pump. Both types of pond pumps have their pros and cons.

Submersible Pond Pumps For A Koi Pond

As the name implies the submersible pond pump is designed to run and be installed underwater.

Usually they are installed in the pond itself but in some cases they are installed in a filter or skimmer. These pumps are usually used in smaller koi ponds and the more traditional water garden or water feature.

SubmersiblePond Pumps For A Koi Pond

The main advantage of a submersible pump is being hidden from sight. Because they run underwater they are also very quiet. They also do not require any additional space outside the pond. They are easy to install.

The disadvantages of a submersible pump is that they need more cleaning and maintenance than an external pump. Because debris it pulled up to the intake screen it collects there reducing the pumps capacity to move water.

The main disadvantage is that submersible pond pumps will pull in koi detritus and make a puree out of it, which makes it extremely hard to filter out.

Generally speaking submersible pond pumps do not last as long as external pumps and cost more to run. I would really not recommend these for a koi pond. They really are more suited to a garden pond where less water circulation is required and the load of solids is less.

External Pond Pumps For A Koi Pond

Pond Pumps For A Koi Pond

External pumps can move much more water than underwater pumps and so are better suited to meeting the water turnover requirements of a koi pond.

They cost less to run and offer a longer service life than a submersible pump. Since continuous water circulation is vital to the health of your koi you need a pump you can count on to not to clog or break down.

Pros And Cons Of External Pond Pumps

External pond pumps are easier to maintain and because they are outside the pond they are easier to fix should it be necessary. Unlike submersible pumps, where the parts are encased in resin, you have the ability to replace worn or damaged parts.

There are some drawbacks to external pumps. They do take more time to install and you will also most likely want to hide them from view. They are usually more expensive than submersible pumps.

Why External Pumps Are The Best Choice For Your Koi Pond

The higher initial cost of external pond pumps is a trade-off because in exchange you get the advantage of higher flow rates, ease of maintenance, greater reliability and the ability to repair rather than replace your pond pumps.

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