How Does Pond Filter Work

Most beginners believe a pond filter works by removing physical dirt and it is this which keeps the water sparkling clean. … These helpful bacteria break down invisible toxins produced directly from the fish and the decaying of physical waste such as fish faeces, excess food or organic material at the bottom of the pond.

Do pond filters need to run continuously?

A pond’s pump should run 24 hours each day to ensure the pond’s water circulates through the filter to keep the water clear.

Do you need a filter for a pond without fish?

When to use pond filters The choice of filter for your pond should be based on the size of the pond, the number and type of fish and the area available to accommodate the filter. Simple ponds with few or no fish should not require filters.