Sparetime Supply Greensand 50LB

Greensand is a naturally occurring mineral deposit rich in glauconite, an iron potassium silicate that slowly releases essential nutrients while improving soil structure and water retention. This 50-pound bag provides a slow-release source of potassium and trace minerals ideal for hydroponic systems, container gardens, and soil amendments. Greensand enhances microbial activity, promotes stronger root development, and helps balance pH levels over time. Perfect for growers seeking sustainable nutrient supplementation without synthetic additives. Apply according to your specific growing medium and nutrient requirements for optimal results.