Quote Originally Posted by aratti View Post
10 stainless still screws (M3) with 20 nuts and 20 washers will cost no more than 1 $. they will be in AISI 304 not 316 but since we are dealing with water, they are ok.

Than he can use a resistive or capacitive solution as he prefer, having the resistors or caps perfectly sealed into a plastic tube.

Where is the problem?

Al.
I like that better than submerged rods, and it will not require a machine shop, wires are in the pipe (encapsulated) great! See, that's some of that great engineering and design found in Ferrari, Alfa Romeo, I like it.