Koiphen Quickly becoming one of my new favorite places to be. Koiphen is an interesting Koi and water garden message board. There are also several web cams of the owner's koi ponds and other interesting things to see. If you want a place to hang out and talk koi or learn about all aspects of koi from medication to filtration then this is the place to go.
Goldfish Pages This site is designed to provide a series of resources for goldfish hobbyists. These resources include goldfish standards, variety descriptions, goldfish-related articles, show dates and reviews, information regarding people who are involved in the goldfish hobby, as well as links to various goldfish-related sites.
Filters that have not had water circulating through them for the winter should be cleaned well before turning the pump back on this spring. Cleaning will remove toxins that can develop from waste breaking down in the filter in the absence of oxygen. Once your filter is up and running, seed it with beneficial bacteria.