Q&A for How to Clean Plastic

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.

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.

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.

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

Scrub with a stiff bristled brush and dishwashing soap.

To remove water spots from your plastic cutlery holder, mix equal parts white vinegar and water in a bowl. Soak a clean cloth in the solution, wring it out, and wipe the holder thoroughly. Rinse under running water to remove residue, then dry with a soft towel to prevent new spots.

To remove algae from plasticware without brushing, use a vinegar solution. Mix one part white vinegar with two parts water, then soak the plasticware for a few hours. The acidity of the vinegar will break down the algae. After soaking, rinse thoroughly with water. If algae remains, soak longer.

Mix a few drops of mild dish soap with warm water, dip a soft cloth or sponge into the solution, and gently wipe the plastic surface. For tough grime, let the soapy water sit on the plastic for a few minutes. Rinse with clean water and dry with a soft towel.

Use dish soap, warm water, and a sponge or cloth. Mix warm water with dish soap in a bucket, dip the sponge in the mixture, and scrub the oily surface. If needed, let the soapy water sit on the oily surface for a few minutes. Rinse with clean water and dry with a towel.

Mix a few drops of mild soap with water and gently wipe the plastic pockets inside and out. Avoid vigorous scrubbing to prevent scratching the surface.