If the Romans had only known, they could've used chewed watermelon seeds which contain urease. Adding this catalyst greatly speeds up the volatilization reacti

If the Romans had only known, they could've used chewed watermelon seeds which contain urease. Adding this catalyst greatly speeds up the volatilization reaction from 3-5 weeks to overnight,[0] eliminating the need for Roman laundries to buffer weeks worth of urine as they wait for it to turn into ammonia. There's a reason why Roman laundries were usually located just outside the city, ideally on the downwind side... [0] https://www.researchgate.net/publication/291165299_Citrullus_lanatus_seeds_as_a_urine_catalyst_for_anthroponics_use https://www.researchgate.net/publication/291165299_Citrullus...