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yukon-flower t1_itvg52c wrote

Those scouring sponges are effectively sanding the stain out. That means you’re sanding the Tupperware, loosening particles up and making them so much more likely to get into your food the next time you use them. Especially with heated food or things that are particularly oily or fatty.

I’d rather have some slight discoloration, personally.

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Shirowoh t1_itvi9lo wrote

You have any studies to back this up? I see nothing online about it making Tupperware toxic. I do how ever see recommendations to use it to clean Tupperware

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aeolith t1_itvk9ow wrote

They didn’t say toxic, they did say it would release more pieces. They’re right that you’re sanding it down, and I imagine it would create a rougher surface than it was manufactured with, which may lead to more pieces dislodging during use or cleaning.

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