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... Click for Larger Image BIO SYSTEM AQUARIUM Aquarium Filters Fish Tank Filters Selecting the appropriate From simple battery operated to state-of-the-art electronic devices automatic aquarium fish feeders come in an array of styles Find a variety of fish tank and aquarium filters Choose from various cannister filters power filters wetdry or undergravel Aquaholics Online Australia Supplies Cheap Aquarium and Pond Products Including Filters Fish Tanks Pumps Heaters Fish Food Koi Food Bio Filters My Fish Tank offers acrylic