If you have a fish room, and you are NOT using HMF aquarium filtration, then you my friend are missing out. HMF, or Hamburger Mattenfilter, is an aquarium filtration method invented by aquarists near the city of Hamburg Germany. While it’s considered fairly new in the US, it’s old school in Europe dating back to the 1960’s.
The original HMF aquarium filtration, or Mattenfilter for short, was simply a foam sheet inserted vertically in the tank, about 2 cm from the side wall. This works extremely well in a working fish room where tanks are placed on end into tank racks. There are also several variations on this basic theme, like the corner HMF pictured above. Continue reading HMF aquarium filtration