How Do Pond Pumps Work?

           Many people who live in warm climates like to spend a good amount of their time outside.  The backyard seems to be the place of choice to have BBQs, family events, and other gatherings.  Many times people who like to entertain also like to have a well landscaped yard that is inviting and decorative.  As a part of this, a good edition is a decorative pond-with or without fish in it.


            As expected, the water that sits in this pond would become dirty and stinky if it isn’t treated correctly.  This is where a pond pump comes in, it keeps the water moving and clean so that a good meal or gathering isn’t ruined by a bad smell.

            Pumps also aren’t the best eye catcher for a yard decoration and for this reason, pond pumps are made to be submersible (a pump that can go under the water).  The pump is designed so that any electrical piece is protected from water entering into it, causing it to be ruined.  The pump is equipped with an intake pipe, an impellor, and the outlet pipe.

            Water is taken in through the intake pipe by the suction created by the impellor.  As it is taken in, it passes through a filter, helping to keep the water clean and stopping materials from clogging up the pump.  Once the water has passed through this, it is then expelled through the outlet pipe.  This can go to a number of places and with the right fittings can be sent in different directions away from the pump (many people direct it to a higher area, creating a waterfall).


            Most pond pumps have an electrical coil, that when activated, causes a magnet to spin around in the shaft.  This is what drives the impellor to spin to draw water in.  Having this set up eliminates the use of gears in the pump, making it almost maintenance free.  However, the water does need to be filtered.

            The pump contains three separate filters.  The first one is a coarse mesh which usually catches larger objects that can be found in the pond water.  The second is a finer filter that helps to stop sand and other small particles from entering the pump.  The third filter, most of the time, is a foam filter that stops algae and anything else that may jam the impellor.  These filters need to be removed (where possible) and cleaned periodically so that the pump will continue to function the way it should

            If you choose to have fish in your pond, the water needs to be oxygenated somehow so that the fish can survive.  To a small extent, the pump will oxygenate the water, but it is also required to go above the water level.  This can be done by installing some sort of waterfall (as discussed earlier) or by adding some sort of fountain element to the pond.  It is also important to make sure you get the right fish!  Certain types of fish will not survive in your pond, even if you have the best pump on the market.  When it comes to pond pumps and parts, I recommend using Little Giant brand.  Click here to find the parts you need!

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