Be sure to use food-grade hydrogen peroxide (the white bottle, not the brown one). Food-grade hydrogen peroxide can be as strong as 35%, so it must be properly diluted. Dilution instructions: 1 cup of 3% hydrogen peroxide 1 cup of warm water Soak for 10 to 15 minutes Because it is food-grade, it should be stored in the refrigerator. Fun facts (historical context): Higher concentrations of hydrogen peroxide were once restricted due to safety concerns. Historically, peroxide baths were used in alt