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water pump for pond water online? If garden pond pumps are what
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pages, so use our category links to browse our site and meet all your
needs for outdoor pond equipment.
Choosing a Pump:
Pumps create beautiful flowing waterfalls and streams while providing water circulation and aeration. A pump is the heart of a pond and its filtration system. To support the beneficial bacterium that keeps the pond clean and healthy, run the pump throughout the pond season.For best filtration circulate the total volume of the pond every one to two hours.
For Example: A 1,000 gallon pond needs a pump strong enough to circulate 1,000 gallons of water through the filter per hour (gph). The minimum gph should be 500 gallons per hour.
Terminology: A pump’s rating can be misleading.Most manufacturers rate their pump’s flow without taking into account head pressure or friction loss.
Head Pressure: Head pressure or ‘head’ refers to the vertical limit (usually in feet) at which the pumps can no longer exert enough pressure to move water.The higher a pumps head pressure, the more powerful the pump.Factors which can diminish a pump’s head pressure include tubing diameter, bends, and the length of the run.
Friction Loss: Friction diminishes pump performance as water travels through plumbing.Every 10’ of horizontal travel has the same effect as 1’ of vertical movement.Avoid too many curves or sharp angles in the tubing.To compensate for friction loss proportionately increase the gph capacity of the pump for longer pipe runs or if the pipe is undersized.
Pump Size: Select a pump that can turn the gallons of pond water over every hour after compensating for head pressure.To ensure proper flow rate buy the next size larger than your calculations indicate and use a control valve to restrict flow to desires rate.
Electric Consumption: Use caution in selecting a pump.Inexpensive pumps often consume far more electricity and, in the long run, cost far more than purchasing a superior pump.Most electrical equipment specifies amperage (amps) on the label.If not, the amps can be calculated by dividing the watts by the volts.The current national average is ~$8.00 per amp. per month for continual operation at 110 volts (~$15 at 220 volts).A continuously operating 300 watt electrical unit (running on 110 volts) would cost $20.45 per month to run.
