The Sun-Mar 32 oz. Compost Swift can help dramatically speed up composting activity. This bottle features a special dosing meter which dispenses up to 1 oz. at a time. It is a concentrated formula that is to be diluted with water (1 part concentrate to 8 parts water). It works best when applied to the compost mass at the rate of 1-6 cups every 2 weeks, depending on the compost volume.