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Where can i find pottasium nitrate(NHO3), and sulfur?

i don't want to use the internet for these, and i made mortar and pestle for grinding with clay p.s. i have the charcoal

goodfeller27 years ago
You can buy 99.8% pure potassium nitrate in the form of stump remover you can buy spectracide stump remover or grants or hi yeild if they have it atn the hardware store i would go to lowes becouase thare most likley to have it but  they might also have it at manards or homedepot but i reccomend lowes
potassium nitrate is KNO3
countable8 years ago
You're making gunpowder. enjoy your felony prison sentence.