How to wash traces of tea from a plastic window sill?
You can change the window sill
solvent 300th. Dissolves the entire window sill
There is an almost perfect tool for cleaning window sills - Clarus. Nothing better for removing stains, for example, from spilled and dried water when watering flowers, I personally have not seen.
Domestos, Whiteness..something containing chlorine.
Did the soda help? Then only 30% peroxide. Pour, leave for an hour, wipe.
There is a special tool for plastic. I saw it in the store.
Chlorine-containing products such as Komet. And do not rub hard, there the plastic is laminated with a film, although it is strong enough, but you can spoil it.
I had to wait a few minutes until it was eaten, then rub it. You can, as they say here, whiteness or hydrogen peroxide with soda
Well whitens plastic products containing hydrogen peroxide. Try Pro-Bright's Axel-22. Inexpensive, universal stain remover.