Reddit reviews Brass & Bronze Aging Solution - 8 oz

This stuff on amazon.

If it's the shiny surface of the brass that she doesn't care for, you could always age the brass... So long as it's solid brass, this should provide a nice patina.

Brass Aging Solution

Some brass hardware is coated, so it may need to be sanded or treated before using this solution.

I bought it from Amazon...here is the link:

https://www.amazon.com/Hardware-Co-Brass-Bronze-Solution/dp/B005TRO276/ref=sr_1_1?ie=UTF8&qid=1549482651&sr=8-1&keywords=brass+ager+solution