campfire colors with burning chemicals

is it safe to burn these chemicals listed and is there any respiratory harm to people or animals?

There are all these chemicals that change the colour of fire: Copper Chloride : blue Borax : light green Copper Sulfate: green Lithium Chloride: pink or red Potassium Nitrate: purple Epsom Salt: White Strontium Chloride: makes red flame in campfire. Potassium Chloride: makes a deep purple flame in campfire. Alum (thallium): a nice bright green flame in campfire. Used for pickling but can also buy cheap at drugstore Calcium Chloride : nice blue flame - is sold commercially as the product ” Damp-Rid” to get rid of moisture. Table Salt (sodium chloride)- make an orange flame. Boric Acid - deep red flame. Buy at any pharmacy.

Answer #1

Potassium nitrate is explosive when it’s old and strontium chloride is radioactive.

So…don’t use those…I guess.

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