Any damage or harm done to people or property is not my or this websites (www.instructables.com) fault and i will not be held responsible. Also any comments on this tutorial are the sole responsibility of their writers and the writer will take full responsibility, liability, and blame for any libel or litigation that results from something written in or as a direct result of something written in a comment. The accuracy, completeness, veracity, honesty, exactitude, factuality and politeness of comments are not guaranteed. Also, please note this may not be legal in your country/state and ,if not, it isn't my fault if your caught.
Step 1: Sourcing the materials.
Sulfur: Can be found in chemists and garden centres (Look for flowers of sulfur)
Charcoal: Can be found in barbeques, supermarkets, the bottom of fires or you can make your own.
Or if you live in the UK you can go here http://www.oliverbrown.co.uk
Step 2: You will need
75% potassium nitrate
(Must be measures by weight, not volume)
An old coffee grinder
Mortar and Pestle.
Step 3: Preparing the ingredients.
2) Repeat with the charcoal and sulfur.
3) Put all the ingredients through a fine sieve and any lumps, put in a mortar and pestle and grind them to they've turned to powder.
4) Mix with a spoon until it is all mixed in.