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Ingredients
- 2 pounds coarse salt
- 2 pounds bluestone
- 2 ounces of all or some of the salts below
- strontium nitrate, bismirth nitrate, antimony chloride, barium nitrate, borax, potassium chlorite
Preparation
Step 1
Mix in a cardboard box with a wooden stick. Put a small amount into paper cups or muffin papers. Cover with a thin layer of melted wax.
When placed in a fire place, the flames burn many different colours.