Probably said a million times before, but will............

[adenough]

dunking my seat in the ole oxalic acid fook up the plastic? (the rails are rusty as Rusty Lee) Thanks.

[BENDYCAT ELEVENTEEN]

i would say yes 

[brummie]

use
lemon
juice
or citric acid powder

[adenough]

thanking you 

[GavinDavis]

Also makes it smell nice too 

[oldschoolace]

Make sure you put the seat guts side down if you give them a citric acid bath. The rusty debris may stain the seat if you put it in upside down