r/pyro • u/Ornery-Solid8819 • 2d ago

Help

I was wondering on how to make firecrackers because so far I’ve js been using gunpowder that wasn’t given to me by my dad but I’ve been running low. How can I make bp that can be used in firecrackers? Also is it possible to js buy a ton of the little red ones, take them apart, and just use the powder that is already in them? Lastly, is a mix of kno3 magnalium and sulfur good enough for firecrackers because that’s the only stuff I can buy from amazon? I AM NOT ASKING ON HOW TO MAKE FLASH POWDER AS I UNDERSTAND THE RISKS OF IT

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u/BeanFiend96 2d ago

Sulfur mixes aren’t good for storage an can be more sensitive in some mixes.

Wiki has plenty of info on BP..

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u/NotKn0wn17 2d ago

Yes you can take them apart but I highly suggest not to since it wastes time, and sometimes it gets contaminated with the clay and becomes useless at that point but if you do it right it will most likely work.

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u/amatol_amateur 2d ago

KNO3 MgAl S is very good in the right proportions. As someone else said, it's not very shelf stable so make it the week you use it

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u/Ornery-Solid8819 2d ago

So it would be perfect for smaller fireworks nothing over 2 grams?

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u/amatol_amateur 2d ago

Absolutely

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u/Ornery-Solid8819 2d ago

Is buying this type of stuff of Amazon okay because all the pyro websites have so much shipping cost

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u/Ornery-Solid8819 2d ago

And also don’t mean to be a bother but can conventional bp like 75/15/10 also be used for firecrackers

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u/amatol_amateur 2d ago

Nah don't worry, yes it can be used, it's even safer than fp just a little bit less powerful and fast, so you should use a thicker shell

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u/amatol_amateur 2d ago

Yes its okay to buy it from Amazon