The metal or color you choose will add or take away from the overall look and feel of your scheme. And while brass, nickel, ...
Why this should be done is simply a matter of practical experience, it having been found that castings of bronze and brass give, at the second melting (when the proportions of the metal are ...
If you do apply the chloride-cleaner to brass, you run the risk of tarnishing the metal, which will result in an undesirable color change. The same is true if you use ammonia, as it is similarly ...