>>> Do we move onto the next step or do we use more protein 10 or even rinse again?
This leather already has a darkening effect, so use d‘Protein-10/ProteinClean-10 at the minimum.
The pH 10 has to be quickly neutralized with Acidifier-2.0 with at least double the amount.
Moves to Step-4 and completely saturate the stain area liberally with d’Urine-2.1/UrineClean-2.1, cling wrapped it to control evaporation for a thorough reaction overnight. Towels will also helps to reverse transfer the foreign contamination.
Let see some pictures how you do the dwelling.
