Enter the volume amount of hydrogen peroxide in box X. Use the drop down menu for different units of measurements.
Enter in the second box the concentration percentage of hydrogen peroxide.
Enter in the first box second row the volume amount of water to dilute the hydrogen peroxide with. Again use the drop down menu to select different units of measurements.
1 Gallon =128 ounces.
1 ounce = 30 millimeters
30 milliliters = 500 drops (approximately)