How to Make Coffee Ground Clay

by on January 5th, 2011
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Coffee ground clay takes on a rich brown color and easily shapes into such things as beads, buttons and ornaments. The clay itself keeps for weeks in the refrigerator if kept in an air tight container. Think outside of the box and create other items from this naturally colored clay.

Coffee grounds, cold coffee, flour, salt and antiseptic mouthwash are mixed together to make the clay. The coffee grounds add texture to the clay along with providing dark brown spots that appear randomly throughout a clay project.

Mix even amounts of coffee grounds and flour with half the amount of cold coffee and salt. For example, 1 cup of coffee grounds and flour require ½ cup of cold coffee and salt. Add 1 tablespoon of antiseptic mouthwash to the mixture to keep it from molding. I personally pour the 1 tablespoon of mouthwash into my measuring cup before adding the cold coffee. This ensures that the clay is the right consistency without having to add more flour.

Dry the coffee ground clay items in an oven set at 250 degrees Fahrenheit for 20 minutes per ¼-inch thickness of the clay. Beads and cookie cutter ornaments normally take just 20 minutes to dry. Remove the items from the oven and allow to cool completely before use.

Spray the completed coffee ground clay items with a one to three layers of acrylic spray sealer. This protects the surface and allows for easy cleaning. Add one coat of spray sealer prior to adding a design with acrylic paint. The moisture in the acrylic paint will spread into the surrounding area of the clay thus creating a fuzzy design. A layer of spray sealer prevents the paint from spreading.


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