Q&A for How to Clean Plastic

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How do I clean dry salt off of plastic?

Community Answer

You should be able to just take a mild soap and water mixture. If it's really stuck on there, use a soft bristle brush that's coarser than a toothbrush but not as coarse as a barbecue brush, as those will scratch most plastics.

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Question

How do I clean the inside of a plastic medicine dropper?

Community Answer

Pour some warm water into a bowl or small cup, and place the medicine dropper inside. Leave it in the bowl/cup for 2 or more hours.

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Question

What can I use to clean clear plastic mustard bottles?

Community Answer

Hot water and dish detergent. Shake real well and let sit a few minutes. Empty solution and rinse with cold water. Place in a dish drain until dripped dry.

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Question

How do I clean yellowing from white hard plastic?

Community Answer

Full-strength bleach in a well-ventilated area. Watch out for splashes on skin and clothes.

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Question

What's the most effective and aggressive way to dissolve built-up layers of grime on plastic?

Community Answer

Scrub with a stiff bristled brush and dishwashing soap.

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