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1 quart of 3% hydrogen peroxide 1/4 cup baking soda 1 teaspoon of liquid soap Gently mix all ingredients in a non-metal container. Do not mix or shake vigorously! The mixture is best used when fresh but can be stored. Do not keep mixture in an airtight container as baking soda and hydrogen peroxide when mixed together release loads of oxygen. We don't want an explosion on our hands on top of the mess we already have!
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