Griffith Silver Black 1 oz.

I was a little leery purchasing this product as there is not a lot of published information or visual examples of the outcome especially with coin rings I want to use it with. So far I am very satisfied with how the product works and how it turns out. I have used it with full success on full silver, 90%, 40%, and all the way down to 10% coins and coin rings. I have had fairly good success with copper and brass coins and coin rings as well, but the finish is a bit more delicate than on the silver so far. That could be how I'm doing it, but still no complaints, just learning as I go. Make extra sure your metal is clean and dry, (I do a final 91% alcohol wipe down) put on some nitlrile gloves, and apply directly using a cotton swab. just wait a minute or so (depending on how dark you want) and rinse with cold-med temp water. toss the gloves and swab, and that's it. Polish the high spots or leave as it with a light cloth buff. Great stuff!

Works good. Gives a dark gunmetal patina not a midnight black.

Amazing, absolutely easy to use and makes adding patina onto silver pieces a piece of cake

I have oxidized a few of my silver pieces of jewelry. It worked well in the beginning, but I am a little disappointed because the tarnish fell off a piece I wear all the time, which was surprising. It is a bit of a pain because I am going to have to treat it again soon.Overall I liked it and it got the job done.

Been using this product for 40 years, quick , but keep it out of cuts on hands and eyes.

Good value

I use it to patina my silver jewelry I wish it came in more than one ounce bottles

Works fine, but blak max comes in a larger bottle and a better price point and does a better job.