Here's what I followed to make mine.
http://www.aquariumlife.net/projects/diy-aquarium-tools/73.asp
You can supplement the hose with clear vinyl tubing (i think) from home depot. Just attach a couple of hose ends and you're good to go.
http://www.aquariumlife.net/projects/diy-aquarium-tools/73.asp
You can supplement the hose with clear vinyl tubing (i think) from home depot. Just attach a couple of hose ends and you're good to go.