[TheSpiceIsLife]

Not any conductive material, obviously won’t work won’t work, nor magnetic steel / stainless steel alloys.

[TheSpiceIsLife]

I meant: obviously iron won’t work.

[fodkodrasz]

Could you elaborate why iron pipes wouldn't work?

[andrewflnr]

The magnet would try to stick to the side of the pipe through "normal" magnetism.

[fodkodrasz]

I see, thanks!