Alright so, I need the potassium nitrate for a little smoke bomb I'm planning to make. Also do I need to have special requirements to buy these?
Click here to learn more.
What the hell... How about saltpeter? Its a gardening item, is there any store that sells this?
Potassium nitrate are not allowed to buy here in qatar. You have to ask a permission from the police department or to the civil defense...