Last year our acid manufacturer changed their formula, which does not work with the brass. Unfortunately we were not able to find another acid formula that replicated the first and therefore, we are no longer able to create the artisan finish. While we do mis the artisan aged product line, we do look forward to developing new processes in the future.
If you would like to attempt artisan aging on your own fixtures, here is link to an article on doing so with Brass Ager.