Q&A: How do I make "lant"? How long do you age urine and under what conditions before it becomes lant?

Question by Doug: How do I make "lant"? How long do you age urine and under what conditions before it becomes lant?
How do I make "lant"? I was looking at instructions for making salt peter (*salt petre?), the old fashioned way. The instructions called for the use of "lant" and they basically told me that lant is aged urine. My question is how long do you age urine before it becomes lant? Does the urine need to be aged under special conditions (do I need to put the urine in a place with a

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