In article ,
Oren wrote:
Are the dowsing rods metal, or do they locate metal?

They are made out of rebar tie wire, and they will find any kind of pipe.
They will also find metal objects as small as a tin can lid..

Steve


And not a septic?

If the tank is non-metallic, I think you need a crystal pendulum to find
it. The good news is that this will also tell you if it is a boy tank
or a girl tank.

--
--Tim Smith