Gravity-Fed Filters
With Gravity-Fed Filters, the water flows from the pump into the top of the filter where the water flows by gravity through various filtration stages & out into the pond.
Gravity-Fed Filtration is known to be the most effective filtration system. But because they can’t be pressurised, they must be positioned at the highest point in the pond system so the filtered water can flow back into the pond.
Gravity-Fed Filters·Gravity-Fed Filters·
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FAQs
What is a gravity filter?
A gravity filter sits outside of the pond and is fed water by a pump where it enters the filter and flows through the filter media under gravity and returns to the pond. These filters must be positioned slightly higher than water level to enable its return under gravity. Gravity filters are the most efficient and effective because they have a larger amount of filter media and higher oxygen availability for bacteria than other styles. Gravity filters are suitable for all size ponds
Why does my filter smell when I open the lid?
It smells because the bacteria is doing its job. A good working filter will produce nitrogen gas as one of its by-products which means it’s working well.
Gravity-Fed Filters·Gravity-Fed Filters·
