W-A-one-R-K-T wrote:
"I thought about using some of that Butternut conductive grease that we
use on our antennas."

It probably wouldn`t hurt, but isn`t required as tarnish compounds
formed naturally are sufficiently conductive for grounding purposes.

Most codes require an approved ground clamp be used to connect to a
ground rod as excessive current could cause a poor solder joint to melt.

Best regards, Richard Harrison, KB5WZI