>>>PPS: After thinking about this for a minute I would conclude that the PH level of the cleaning solution is pretty irrelevant when cleaning protected leathers. You are not cleaning the raw leather anyway. You are cleaning the urethane coating on the leather.
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So you think the urethane coating of the leather has no pH value?
How about seat bolsters that are often worn out that is absorbent?
How about the perforated holes, needle holes and the micro cracks?
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