2 tablespoons table salt
4 tablespoons borax
1 1/2 cups warm water
12 inches regular cotton kite string or twine
Dissolve salt and borax in water.
Soak string or twin in the solution for 15 minutes.
Hang the string with a clothespin for five days to be sure it is completely dry.
Use a paper clip to dip the string in melted wax three or four times, coating it completely. Hang it up to dry as before. Store wicks rolled up in a newspaper.
Add 1 teaspoon of one of the following chemicals for colored flames:
Strontium chloride for a brilliant red flame
Boric acid for a deep red flame
Lithium chloride for a carmine flame
Calcium for a red-orange flame
Sodium chloride (table salt) for a bright yellow flame
Borax for a yellow-green flame
Copper chloride for a blue flame
Copper sulfate (blue vitriol/bluestone) for a green flame
Potassium sulfate or potassium nitrate (saltpeter) for a violet flame
Epsom salt for a white flame