Which pond pump to buy

You will need to work out the volume of water needed to create an impressive waterfall. You need about litres of water per hour of flow per inch 2. A waterfall with a wide lip will use more water than one with a narrow overflow edge.

The ideal height for your waterfall is between 40cm 16 inches and 90cm 36 inches. Pond pumps are designed to work in harsh outdoor conditions, so buy one which comes with at least a two-years guarantee. Do not use a small water feature pump. If you have fish, a pond pump must be able to run 24 hours a day, days a year, without fail. Here are some factors that you may want to consider when purchasing a pump for your pond or waterfall. The size of your pond is critical in determining what pump to buy.

Too small a pump will cause poor circulation and stagnant area in the pond leading to low oxygen levels, sludge build-up and poor water quality.

These factors result in an unhealthy pond and in turn unhealthy fish. Your pump should circulate the volume of your pond a minimum of once very 2 hours, ideally once per hour. Basically, dynamic head pressure is all the back pressure that is put onto the pump while it is forcing water through the tubing up to your waterfall, stream or filter.

This includes the height of your waterfall, length and diameter of tubing, fittings such as elbow and ball valves, etc. Normally more expensive to operate than magnetic drive pumps. But are a great choice for ponds that need high levels of aeration or dramatic, large waterfalls.

External pumps are more cost efficient over time than submersible pumps and are still capable of moving large volumes of water. Although more reliable, external pumps can be noisy and distracting. Make sure to install a check valve to non self priming pumps so they do not burn out the motor if the power shuts off and then turns back on.

Less routine maintenance than submersible pumps. Powered by an electrical charge that creates a magnetic field, the impeller of the magnetic drive will rotate and pump water. These pumps are one of the safest pump solutions for your fish, as they do not contain oil, eliminating the risk of contamination from the pump. Cost effective operation that is also highly efficient. They require little maintenance because they are completely sealed.

After deciding the type of pump that is best for your pond, you then need to determine the specifics of that pump, for instance:. Are your having a waterfall? Pond Volume Calculator To Calculate flow required simple divide the pond volume in litres by the turnover factor required Example: litre pond requires turning over every 1.

All In One Filter Pump Always buy a suitable sized model for your pond volume If running another feature such as a waterfall ensure the pump will produce enough flow as in question 1 above in overview. Be in the know For latest offers, new arrivals and inspiration to your inbox.

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