Filtration
How to build your own filtration devices from scratch.
Do-It-Yourself Undergravel Filter
Although this article was written by the Saltwater Aquarium Guides, it works just as well for a freshwater aquarium.
Although this article was written by the Saltwater Aquarium Guides, it works just as well for a freshwater aquarium.
An Air-driven Reverse-flow Undergravel Filter
Bob Dixon wrote this detailed article about building your own UGF.
Bob Dixon wrote this detailed article about building your own UGF.
Filter Media
Lots of great ideas for inexpensive substitutes for filter media.
Lots of great ideas for inexpensive substitutes for filter media.
Sponge Filter
A simple sponge filter makes all the difference if you are raising fry. This newsgroup discussions covers how to make and keep them clean.
A simple sponge filter makes all the difference if you are raising fry. This newsgroup discussions covers how to make and keep them clean.
Wet-Dry filtration
Over a dozen newsgroups messages about building your own wet-dry filter. Good reading.
Over a dozen newsgroups messages about building your own wet-dry filter. Good reading.