"Bob Engelhardt" wrote :
: Let's see: $20/gal + shipping or $4/gal for muriatic acid, available
: everywhere. Can it be that much better? Muriatic acid takes off the
: rust, what more do you want?

Muriatic acid fumes cause rust to form at an incredible pace so if you
use it to derust you should do it outside and not store the acid anywhere
near anything you don't want an overnight coating of rust to form on.
Art