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External and Submersible
Pumps, Pump Parts and Accessories
for Koi Ponds, Goldfish Ponds, Waterfalls and Water
Gardens
The choice of a pump for your pond should not be taken
lightly. It is the heart of your pond continually re-circulating pond
water through the filtration system and producing dissolved oxygen that koi and
goldfish need to breathe.
It determines whether your waterfall is a mild-mannered babbling brook or white
water rapids.
There are a lot
of factors to consider when you are sizing a pump for your pond, waterfall or water
garden. The rule of thumb is to circulate your water at least once per
hour for ponds but that's not always the requirement. Larger ponds do not need
to be turned over as quickly as smaller ponds. A wide waterfall will
take much more flow to fill the width area than a skinnier waterfall.
Some pumps are designed to push water up better than others and some
external pumps have self-priming abilities that you'll need if placing your
pump higher than the elevation of the pond. Then there's the question
of purchasing an external vs submersible pond pump.
We address all
these questions and more in the articles we've written - articles in our
archives. Here's a short list of articles having to do with choosing
and maintaining pond pumps:
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