Need some guidence with IPA

[sqeekykleen]

Could you please tell me what IPA does and at what step is this done? What if this step is not being done, what happens to the end result?

Feed back please

 

[mixxer]

http://www.autogeekonline.net/forum/auto-detailing-university/15012-50-50-alcohol-wipe-down.html

 

[sqeekykleen]

Thank you Mixxer, I guess that I missed that post last month...