The role of the pump is to recirculate water. Movement of water is important for increasing the oxygen content of the pond to keep it healthy. There are many different types of pumps for garden ponds available on the market and choice depends on what the pump is intended for. For example, if your pond design includes a fountain then a fountain pump would be required, which are designed to deliver clean water to fountain attachments. Before going out to purchase a
pond pump it is advisable to make a note of the following information to ensure you choose the correct one: pond volume, additional features such as fountains or waterfalls (and, therefore the height between the surface of the pond and top of the waterfall – to where water is be pumped).
Fish and other inhabitants to a pond constantly produce waste. This waste will cause problems to a pond if allowed to accumulate. A pond which is lightly stocked with fish and with plenty of plants may remain in a natural balance. But, for the vast majority of ponds, additional help is required to keep the pond healthy. A pond filter allows for waste removal to keep the pond healthy.
Common pond problems are usually linked to poor water quality so it is important that a good quality filter is selected. The type of filter will depend on pond volume and type of pump.
Do remember that a combination of water and electricity are lethal so advisable to call in a qualified electrician to install cables for pond pump and filter to operate.