Items to use:

• 12% Hydrogen Peroxcide
• 50% Hydrogen Peroxcide
• Potassium Iodide Powder (99.9%)
• Either Dollar Tree or Target

Notes:

• mix 7g of KI with 7ml of hot water, for every 1 cup of H2O2.
• Use 12% H2O2 with kiddos, and 50% for demos
• get 2 quarts of 50% H2O2. 1 qt wasn't enough.
• Get a magnetic mixing for the KI and water. too much powder not mixed in