How much urine? I recently was involved in the rehab of a "cat
house". In areas where the wood was not actually soaked with urine,
we washed with a strong bleach solution and then BIN primer sealer.
This seemed to work pretty well. In some places, the floor was
actually soaked with urine, so we removed and replaced the wood. I'm
not familiar with "nature's miracle", but your plan sounds like it
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