If you have read some of my other Instructables you know that a lot of them require oxygen either from the surrounding air or from an oxidizer. Potassium Nitrate is the most common and easily obtainable but, for those of you who, for whatever reason can't obtain it can make your own from hydrogen peroxide.
Step 1: Gethering Materials
For materials you will need four things:
1. Hydrogen Peroxide (The Kind Diluted In Water)
2. A small glass or plastic cup.
3. Soluble salt (I used Morton's)
4. A small amount of your time.