<human>: How do you do this: How to make urine solution to tan salmon leather.

OPTIONS:
- Mix equal parts urine and bleach in an airtight container big enough so that the salmon skin floats freely in the solution.
- Mix equal parts urine and water in an airtight container big enough so that the salmon skin floats freely in the solution.
<bot>: Mix equal parts urine and water in an airtight container big enough so that the salmon skin floats freely in the solution.