When looking for a pond pump, you may only have one intended use for it. However, pumps are employed in ponds to perform a variety of functions. Often these functions can be performed simultaneously by one pump or frequently, and with good reasoning, a second pump can be installed in one pond so that different functions are performed by different pumps. This can have the advantage that functions can be controlled independently of others, particularly helpful if some features need 24 hour operation whilst others may be only required on a more sporadic basis.

The different functions that pumps perform revolve around powering water features, such as fountains or waterfalls, powering a pond filter or a UV clarifier and powering an aeration system. All of these functions will place very different demands on the pump system.

The feature that dictates reliability above all other requirements is the pond filter. As a pond filter uses natural bacteria that require oxygen to survive, the pump must run 24 hours a day, seven days a week to ensure that a continuous supply of oxygenated water is passed through the filter. It is also necessary for the entire volume of the pond water to be circulated through the filter every 90 minutes.

A fountain may only place quite modest demands on a pump depending on how ambitious you are feeling. However, it may be beneficial to have an independent pump powering this feature so that it can be turned off when not required. A waterfall will place a much larger demand on a pump, otherwise an impressive water course may prove very disappointing playing host to a paltry trickle.

There are many pumps on the market which all serve different purposes. It is very difficult to over specify a pump but conversely, very easy to under specify. Before committing, think carefully about what it needs to do and also what you may wish for it to do in the near future.