Originally Posted by
bbattle
This is why copper tubing for water comes in two thicknesses. If you need to bend it, you have to use the thicker tubing. The thin-walled stuff will collapse and kink. I once made a 5 foot tall menorah using copper tubing. Bending it was rather easy with a handheld tube bender.
I thought the thinner stuff was easier to bend once it was filled with sand to keep it from kinking.