How to crush oyster shells

Written by christina martinez
  • Share
  • Tweet
  • Share
  • Pin
  • Email
How to crush oyster shells
Reuse oyster shells by crushing them for various projects. (oyster image by Filip Mazurek from Fotolia.com)

You've bought oysters, used them and now have several oyster shells left over. Instead of just throwing them in the trash, find another use for them. Reuse the oyster shells by crushing them and using them in crafts, as an addition in gardening soil or in aquariums to adjust the pH balance of the water. Crushing the shells can be done rather quickly.

Skill level:
Easy

Other People Are Reading

Things you need

  • Hammer
  • Plastic zip-top bags
  • Kitchen towel
  • Water
  • Pot
  • Mortar and pestle
  • Mesh sifter

Show MoreHide

Instructions

  1. 1

    Boil the oyster shells for a few minutes to kill any remaining bacteria.

  2. 2

    Take the shells out and let them dry.

  3. 3

    Place a few of the dried oyster shells in a plastic zip top bag and seal. You want the oyster shells to lay flat in the bag. Make sure you've got most of the air out of the bag.

  4. 4

    Put a towel over the bag. This will help keep the oyster shells in place if the plastic bag punctures.

  5. 5

    Hit the towel that's over the bag with a hammer. Do this until you've reached the crushed consistency that you want.

  6. 6

    Take out the shells and place them into a mesh sifter. Push the shells into the sifter if you want a finer consistency. For even finer consistency, place the shells into a mortar and pestle and grind.

Don't Miss

Filter:
  • All types
  • Articles
  • Slideshows
  • Videos
Sort:
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the eHow.co.uk site, you consent to the use of cookies. For more information, please see our Cookie policy.