How to make an external canister filter?

[Getthejist]

Does anyone know how to make an external canister filter.

[Big Den]

Why would you want to make a filter? Surely buying a decent secondhand one would be more cost efective.

[malakye]

You can pick up external filters really cheaply so really there is no point trying to make one.

[Getthejist]

the size of tank im making it for i wouldnt be able to get a small enough one and the power would be to much. But ive actually made one and i have a pump so this isnt costing me any more money and i cant pick up a filter i would need it delivered but do you know where i could get some 1/2 inch syphon tubing because my tubings disappeared

[Big Den]

http://www.ebay.co.uk/sch/items/__aquar ... 459_228459

[niko]

I made my own once using PVC pipe,a plastic gallon that sat inside my tanks base,a plastic discharge hose and a fuel filter with a fuel pump that I rigged to run on my homes electricity.it wasn't pretty but I ended paying more building my own.after I built it I sold it and purchased a aquarium filter