Biological Filters are a key step in clean pond water. Biological filters provide a place for healthy bacteria to grow and help balance the chemistry of your pond. Remember, the filter should not be placed before UV lights which may damage the growth of the bacteria .When used properly these filters do the best job in pond filtration.
There are different types and qualities of Filters. To size a filter, calculate the size of the pond in gallons. (Length X Width X Depth X7.54). We have many options in stock and can show you different solutions for your pond. The better the filter the less maintenance in the future. Some models offer simple ways to backwash and clean, and allow for draining a pond.