How To Choose A Pond Filter Pump

pond filter pumps for ponds

In general pond filter pumps is a name used to specify that more robust self cleaning pond pumps are required. Modern pond filter pumps are well suited to run continuously in ponds at low cost.

The requirements to specify pond filter pumps are identical to those for waterfall pond pumps or basic pond circulating pumps depending upon whether you have a waterfall or notl. There is a need to understand pond filter pumps head and pond pumps flow as covered in other sections. There is also the need to understand the dynamics of flow required to satisfy pond filter requirements - water flowing through the pond bio filter is the source of oxygen needed by the bacteria in the filter. Continued below ...

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Pond filter pumps: modern bio filter pond pumps do not contain sponges and are designed for higher flow rates and "dirty" water. Here is a good examples of pond filter pumps made for bio filters and pond waterfalls.

The pond filter pumps shown above are made in Italy.

Given that a pond bio filter is included in any garden fish pond design or koi pond design then particular notice must be taken of the flow and head requirements to correctly specify pond filter pumps

Pond pumps and filters are important to consider together. Generally speaking the volume of the pond must be pumped through the filter at least every 2 hours and in larger koi pond installations pond filter pumps must be specified on the basis of pumping the volume of the water through the pond bio filter every hour or so.

If your pond filter pumps contain sponges then there will be a need to clean the pond pump frequently to allow the flow to be maintained.

Pond Filter Pump Selection table where water fall is included

Check where height meets width in the table. This is the flow your pump model must deliver. For a wide range of guaranteed Great range of low priced  pumps for small to medium sized ponds and waterfalls

  Waterfall Vertical Height measured from surface of pond ... (feet)
Width of Water

Overflow

(inches)

See image above

 

   1 ft 2 ft 3 ft 4 ft 5 ft 6 ft
3" 350 gph 500 gph 500 gph 500 gph 700 gph 700 gph
6" 700 gph 700 gph 700 gph 700 gph 1200 gph 1200 gph
9" 1200 gph 1200 gph 1200 gph 1200 gph 1200 gph 1200 gph
12" 1200 gph 1200 gph 1200 gph 1200 gph 1200 gph 1200 gph
 

 

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