The Aquarium Sponge Filter is probably the most efficient and economical filter an aquarium could ever have. Not only does it have multiple benefits to improve the quality of your tank but its also very cheap, low maintenance and easy to use. I'll also show you how to set one up and how to easily clean your sponge filter. The aquarium sponge filter benefits may surprise you and you'll be glad to have one handy! Material List: (Affiliate Links) Sponge Filter - https://amzn.to/2LD3QgW Air Tubing -