Reduce, Re-Use, Recycle: Coffee Grounds
Nitrogen, Phosphorous, Potassium and More That pile of wet grounds left from your fresh pot of coffee contains nitrogen, phosphorous, potassium, magnesium, calcium, and iron. Does that list of ingredients sound familiar? You may recognize this nutrient list from the last bag of fertilizer you read. Brewed coffee grounds, the dried and ground remains of the coffee bean, which is a seed, can be repurposed to enrich compost and improve soils. Grounds may contain up to 10% nitrogen, intended...