How to Make a Colored Smoke Bomb

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You can also prepare a smoke bomb at home, because it is a simple project to make that does not take much time.The formula described in this article produces a colorful cloud of smoke.Blue and orange dyes are the most effective, but you can use any color you prefer.
Part 1
Part 1 of 2:

Prepare the mixture

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  1. Step 1 Mescola 60 g di nitrato di potassio con 40 g di zucchero.
    Pour the mixture into a saucepan and heat it over low heat.If you have no way of measuring grams, then you can use the spoon as a reference.Specifically, mix three tablespoons of potassium nitrate with two of sugar.
    • Be very careful when mixing chemicals, always take the necessary precautions.
  2. Step 2 "Cuoci" il composto.
    Stir it continuously while it simmers and wait for the sugar to caramelize and turn brown.It will take less than 15 minutes, so never lose sight of the mixture.
    • We remind you once again to take all safety measures during cooking and not to leave the mixture unattended.
  3. Watermark wikiHow to Preparare una Bomba Fumogena Colorata
    When the consistency and appearance are similar to those of honey, then you can turn off the heat and remove the mixture from the stove:it must be creamy and dense.
  4. Step 4 Incorpora il bicarbonato di sodio.
    Once the mixture is removed from the heat, add a heaped teaspoon of bicarbonate, in this case it is not necessary to be precise with the dose.
    • Baking soda triggers a chemical reaction, so you need to be very careful at this stage.
  5. Watermark wikiHow to Preparare una Bomba Fumogena Colorata
    Take three full spoonfuls of the coloring of your choice and mix them with the mixture in the saucepan;incorporate it evenly.To make the operations easier you should have prepared the dose of dye in advance and poured it into a separate container.
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Part 2
Part 2 of 2:

Building the Smoke Bomb

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  1. Watermark wikiHow to Preparare una Bomba Fumogena Colorata
    While the mixture is still very warm and malleable, pour it into the tube.It should run like hot caramel;fill the tube completely to the top edge.
    • At this stage you must proceed with caution because the mixture is hot.Wear heat-resistant gloves if you have them.Keep the hose away from anything that could cause the compound to ignite.
  2. Step 2 Infila una penna nella miscela.
    Take a pen and stick it in a straight line in the center of the tube;It doesn't have to reach the bottom of the smoke bomb, but it has to go deep enough so that it stands upright on its own.Wait at least an hour for the mixture to cool and harden.
  3. Watermark wikiHow to Preparare una Bomba Fumogena Colorata
    Remove it from the bomb and insert the fireworks fuse in its place.You can use a piece of cotton wool to fit the fuse tightly into the hole.Make sure you have at least two centimeters of fuse outside, so you can trigger the bomb.
    • The fuse itself is not dangerous until it catches fire.In any case, be careful and keep it away from open flames.
  4. Step 4 Avvolgi la bomba.
    Use heavy-duty tape to cover the bottom, sides, and top of the cardboard tube.The tape can be any color you like;remember to leave a small hole on the top to house the fuse.
  5. Watermark wikiHow to Preparare una Bomba Fumogena Colorata
    Use a lighter to light your smoke bomb.Do this outdoors because the smoke will come out in large clouds very quickly once the fuse has burned out sufficiently.
    • If, at any time, you find the flames becoming too large and unmanageable, throw the bomb into a clear, empty space where it can safely burn completely.
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Things you will need

  • 60 g of potassium nitrate (you can find it in gardening shops under the name saltpeter)
  • 40 g of sugar
  • 1 tablespoon baking soda
  • 60 g of powdered dye (available in DIY stores and also in supermarkets, among laundry products)
  • Cardboard tube (like that of toilet paper or Calippo type popsicle)
  • Strong adhesive tape
  • Pencil or pen
  • Fireworks fuse that you can find in DIY stores, hardware stores, hobby shops, building materials stores or even recover it from another firework (check that it is not broken or blunt)
  • Cotton balls
  • Small saucepan

Advice

  • Find out about municipal regulations regarding fireworks and smoke bombs.
  • Always keep water on hand to handle sparks and open flames.
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Warnings

  • Oxidizers and fireworks can be dangerous, so proceed with extreme caution when using them.
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