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How to Polish Clam Shells

Updated February 21, 2017

Before using a clam shell in a craft project, polish the shell to make it stand out. Clam shells found on the beach need to be cleaned and bleached prior to polishing, while shells you purchase at the craft store typically have been bleached already.

Arrange the clam shells in a single layer on the ground or pavement. Select a sunny area, where the shells can be undisturbed for two weeks.

Leave the clam shells to sun dry for about two weeks.

Place the clam shells in a bucket and cover them with a solution made from equal parts of fresh water and liquid bleach. Allow them to sit in the bleach solution for two to three days. Do not use salt water.

Rinse the clam shells in fresh water and scrub with a brush to clean. Dry the shells.

Sand the shells gently, using light sandpaper, until glossy and smooth

Pour mineral oil on a soft cloth and polish each shell until it shines.

Tip

Some crafters polish their clam shells with clear nail polish or use WD40 instead of mineral oil.

Warning

Do not use vegetable oil or baby oil to polish the clam shells, as they will eventually become rancid and develop an unpleasant smell.

Things You'll Need

  • Bucket
  • Water
  • Bleach
  • Brush
  • Sandpaper
  • Cloth
  • Mineral oil
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About the Author

Ann Johnson has been a freelance writer since 1995. She previously served as the editor of a community magazine in Southern California and was also an active real-estate agent, specializing in commercial and residential properties. She has a Bachelor of Arts in communications from California State University, Fullerton.