I tried F9 on fiberglass that has brown staining from a well. I'm originally from WA. State so I saw this as Iron and thought the F9 would work since it does so well on rust....but it didn't even show a hint of removing the stain.
No pic's, sorry....Ideas?
Doug Rucker said
Mar 19, 2014
how did you dilute it? and pics would really help.
-- Edited by Doug Rucker on Wednesday 19th of March 2014 05:55:04 AM
I tried F9 on fiberglass that has brown staining from a well. I'm originally from WA. State so I saw this as Iron and thought the F9 would work since it does so well on rust....but it didn't even show a hint of removing the stain.
No pic's, sorry....Ideas?
how did you dilute it? and pics would really help.
-- Edited by Doug Rucker on Wednesday 19th of March 2014 05:55:04 AM