Did you just set up your fish tank? Have you installed a filter in your aquarium, but don't know how to maintain and clean your tank? Good tank maintenance will keep your aquarium healthy for years to come. This video only covers one part of cleaning your tank. However, a close-up on filer maintenance, it emphasizes a subtle, yet critical detail. Not only is this video is a great reminder that you should never wash your filter in tap water, but it also provides a clear explanation of the affects this has on live bacteria and how it relates to the health of your fish.