A cheap and easy way to add biological filtration to any aquarium. Things you need: 1. Power head 2. Container 3. Tubing 4. Bio-Filtration media 5. Drill and silicon sealer... The very best food you can give your tank critters is exactly what they ate in the wild The Food Groups of Sep 20 2008nbsp018332A cheap and easy way to add biological filtration to any aquarium Things you need 1 Power head 2 Container 3 Tubing 4 Bio-Filtration media 5 Drill May 25 2009nbsp018332A fish tank filter is the most vital part of a fish tank and installing a fish tank filter is a simple process Visit the 3reef Tropical Fish Forum Your online resource for tropical fish reef aquariums reef forums coral amp fish photos aquarium classifieds Click for Larger Image BIO SYSTEM AQUARIUM FILTERS PLUS POWER SKIMMERS Ingenious