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dagmar77
5 years ago

try hydrogen peroxide (bleaching agent)

or some 80% sulfuric acid mixed with copper chloride. that should get away

dagmar77
5 years ago
Reply to  cheesy1

there I would rather go to benzin! or 96 percent alcohol from the apotheke

Oxopatl
5 years ago

Washing machine with 90 degrees .

Jo258
5 years ago

If the pants have been on the hump for a few years.

Otherwise, try out everything on home products www. to be praised.

Best remedy: after pinging, tap the last drops with toilet paper before it goes into the pants. Change laundry daily and wash at 60°.

My toilet gets a bite cleaner for cleaning. But I haven’t tried it with U-Wäsche.