How to stiffen 1/2" aluminum tube?

[Myka]

Originally Posted by Reef Pilot

With the steel tube insert method, you could also use linseed oil (should be able to buy it a hardware store) inside and seal the ends (with epoxy). If there is no air (O2) then it will not corrode.

Ok. I'm thinking I'll try this option out first, and see what I can come up with. Thank you.