I ONLY DO THIS WITH MY OWN PERSONAL JEWELRY WHICH I WEAR!!!
That said, ammonia comes from urine: why not use your own preferably FERMENTED (that is how urine turns into ammonia) urine?
I show you what to do, here:
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AND how it ALLLL turned out!
I also did a lil bit of alchemy and combined the urine WITH sage, and here is what happened:
…It came out looking (but not tasting) like blood, unfortunately!!!