Dissolve 2 tablespoons of table salt and 4 tablespoons of borax in 1 ½ cups of warm water.
Soak a 1-foot length of regular cotton kite string or twine in the solution for 15 minutes.
Hang each string with a clothespin for 5 days to be sure it is completely dry.
Use a paperclip to dip each string completely in melted wax 3 to 4 times, coating it completely. Hang it up to dry as before.
Store wicks rolled up in a newspaper.
Tips:
Add a teaspoon of one of these chemicals for coloured flames: strontium chloride for a brilliant red flame, boric acid for a deep red flame, calcium for a red-orange flame, calcium chloride for a yellow-orange flame, table salt for a bright yellow flame, borax for a yellow-green flame, copper sulphate (blue vitrol/bluestone) for a green flame, calcium chloride for a blue flame, potassium sulphate or potassium nitrate (saltpeter) for a violet flame, or Epsom salts for a white flame.
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