ACE
Member
I understand cellulosic browning but have not ever heard an explanation that makes since for the browning on synthetic fibers caused by water damage or occasionally over wetting. An IICRC instructor told me it was just dirt wicking to the surface. It may be just dirt, but I suspect there is something else about the chemistry that would be useful to understand. What exactly causes this type of browning? What is your preferred chemical / method for correction and why does it work?