Posted by Wayneh [173.245.56.71] on Thursday, July 21, 2016 at 22:14:53 :
In Reply to: '48 FFPW COWL LIGHT GLASS posted by BK IN REDMOND [108.162.244.151] on Thursday, July 21, 2016 at 14:27:08 :
Acid, the same way professional pressure washing guy get iron stains off brick/houses caused by iron water in sprinkler systems. Our guy uses muriatic acid, not full strength of course.
Wayne