this post was submitted on 22 Dec 2023
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Ammonia from fermented urine was commonly used for washing thousands of years ago. I can’t imagine he smelled much worse than anyone else processing the stuff.
But don't underestimate that added step of boiling it, until he was left with only a powder extract. Heat will amplify the smell and make the gases expand.
Toured a leather co-op in Morocco (Fes) where they process everything naturally. They collected pigeon droppings for similar reasons. Locals call it caca channel.