Calcium Peroxide
$16.26 – $216.06 USDAs an amendment to your potting soil, the recommended rate is: 9 grams/1 tbsp/15ml per 1 gallon of soil/4 liters. If you would like to mix larger quantities (usually in a toy swimming pool or on a sheet of plastic) mix in 4tbs (60ml) per cubic foot, so approximately 16-20 tbs (240-300ml) per bale of…
