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“High Performance” Filters for Aquariums usually are an overpriced scam.

Public aquariums typically use very large stationary sand filters to do the mechanical and biological filtration. I do NOT recommend fluidized sand bed filters!

When one uses a sump the pump in the sump moves the water back up to the aquarium. Then there needs to be a way of moving the water back to the sump and to prevent the aquarium from overflowing. There are a huge number of DIY devices on the internet and YouTube that are […]

There is one type of foam sump that is VERY attractive to those who are cowed by the complexity or the noise of a fluidized bed sump. It is a foam/ 2 wavemaker sump.

Do-it-yourself Sump Filters for Aquariums are easy to make. Just follow the instructions in this article.

Fluidized Bed Sump Filters for Aquariums use a polyethylene high surface area media. Many millions of dollars of research in the area of aquaculture have established that fluidized K1 beds are the best type of filter !

Wet-dry filters are a hybridized version of the trickle sump filter where some submerged static biomedia is added. This gives better biofiltration than a trickle filter but is still only about 70% as efficient as a static media submerged bioballs filter.

One type of sump filter is called a trickle filter. In a trickle filter, the water flows into a tray with many small holes in it. The tray spreads the water out over a square foot or so of surface.

This article shows the types of sumps and what filtermedia to use for the best results.