What You Do: 1. Light the candle. 2. Pour the vinegar into the bottle and add the baking soda. (You may want to use a funnel.) The mixture should fizz. 3. Hold the bottle sideways over the lighted candle, making sure no liquid escapes. What happens to the flame?
Hold the extinguisher by the handle ; Pull the safety pin ; Aim it at the fire ; Press the trigger with your thumb ; After you are done, put back in safety pin. The extinguisher can be used several times until the bottle is empty. I am going upload a video of how it works with some real fire action soon. Cheers, and have fun building it!
how to make a homemade CO2 fire extinguisher – YouTube
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Steps. Pour the vinegar or lemon juice (about 1/3 of a cup or 5 tablespoons) into the plastic bottle. Fill the rest of the bottle with water but leave 1-2 inches left at the top. Pour 2 tablespoons of baking soda into a folded tissue or toilet paper. Poke or drill a small hole through the top of the …
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Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher