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Pond Pumps in Australia


From the smallest barrel to the largest pond, no water garden can survive very long without water movement. And for water movement, a pond pump is essential because it keeps the water circulating and the pond/water garden healthy.

A cascading, bubbling stream adds interest and serenity to the garden, while a waterfall can create a dramatic centre piece. Fountains, are aesthetically pleasing and provide the additional benefit of aerating the water, essential for providing a healthy environment for fish.

When selecting a pond pump, be sure to consider:

  • litres per hour (LPH) of each pond pump
  • maximum height that the unit will pump (known as head height)
  • type of pond filter
  • manufacturer's warranty
  • power consumption

You get what you pay for and its advisable not to cut corners when choosing your pond pump - it may well cost you time and money to fix in the long run, as ponds can quickly become a green smelly mess if the correct equipment is not used.

Calculating the litres per hour

To determine the litres per hour rate for your pond pump, there are a number of factors that must be taken into account to pick the right equipment.

  1. The actual volume of your pond
  2. The 'effective volume' (taking into account - Fish, pond depth & size, sunshine, climate etc
  3. The maximum pumping height (head ) - taking into account elbows, tees, friction loss, hose size
  4. Waterfalls & streams, tube friction loss (see chart below)
  5. The weir rate for waterfalls and streams
  6. Pond filter (if being used) see 'Filters' below
  7. Power consumption (watch the watts)

Actual Pond Volume

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