Every fish pond will need a pond pump. Pond pumps can also be used to create wonderful effects in your water garden. They are wonderful for making fountains and waterfalls come alive and will provide needed oxygen to all the life in your pond. There will be many things to think about if you are in the market for a pond pump.
One of the first things to think about is the flow rate you need for your pond. The determine your minimum flow rate for your pond take the volume of your pond and cut it in half. If you have a pond which holds a thousand gallons of water you should choose a pond pump which will circulate a minimum of 500 gallons every hour. Depending on the various features you have in your pond you will most likely need a higher flow rate.
The pond pump you install will need to circulate sufficient water to meet the demands of your UV sterilizer and filter system. How your pond is used will also play a role in determining which solar pond pumps are best for you. Ponds which are small to medium in size, holding up to 800 gallons of water, do best with a submersible pump. They are usually fairly easy to connect to submersible filters used in this pond size.
The flow rates that you can find for submersible pond pumps are typically between 250 and 4,100 gallons per hour. These pumps will not cost much to buy and are placed inside the pond. While they cost less to buy they will often cost more to operate than external pond pumps. You will need an external pump for larger ponds. These types of pond pumps are usually more energy efficient and can handle a large volume of water. They are also made to operate with biological filters which create pressure which can strain a pump. The typical flow rates for external pond pumps run between 1800 and 7000 gallons in an hour.
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