Raw potassium is a soluble plant supplement that is used for horticultural purposes. Raw potassium contains 50% soluble potash which is the highest concentration of fully water soluble potassium available to the home gardener. This product is used to treat deficiencies or boost potassium levels. A 2 oz. package of raw potassium makes up to 200 gallons, an 8 oz. package makes up to 800 gallons and a 2 lb. package makes up to 3200 gallons.