As well as the high-quality mechanical filtration, you also have biological filtration that will remove those toxins from the water. A pressurized filter can be hidden away and often submerged, whereas a non-pressurized filter works via gravity, and, therefore, it will need to be placed above the pond. Warranty – Having a strong warranty will give you peace of mind that you’re getting a quality model.

Superfish Mini Garden Pond Waterfall Filter Cascade | Water

Even though you can use this as your primary filter system for ponds up to 1000 gallons, it is more ideal for ponds around 500 gallons. Water is drawn through foam, coarse sand, gravel and/or filter granules by the action of a submersible pump. That capacity helps to make it one of the best pond filter systems out there, but there’s a lot more to it than just size.The filter system has both biological and mechanical filtration stages, with bio-activators for bacteria colonization and a fiber mat for trapping larger debris. The waterfall filter comes included with its optimized bio-mat mechanical filter media and a media bag, but you need to purchase bio-balls for the bag separately. Even though this waterfall filter has a larger spillway compared to the TetraPond, it is still fairly compact in size.

in-1 Pond Waterfall Filter - Pro Shrimp Superfish 2-in-1 Pond Waterfall Filter - Pro Shrimp

A pond waterfall is also a great, natural way to keep your pond water aerated and healthy, with some pond keepers preferring them to air pumps. This includes the fish that will be in there, where the filter is going to be placed and approximately how many gallons the pond is.Our selection of pre-formed garden waterfalls are simple yet attractive, giving you that much needed statement in your garden without the need for complex assembly. First, you need to know the maximum height of your waterfall from the surface of the pond’s water in feet.