Simply Silica 8oz Concentrate by Supreme Growers Potassium Silicate Liquid Fertilizer Promotes Growth of Strong Plant Tissues Improves Natural Resistance to Environmental Stresses Makes 47 Gallons Simply Silica is a liquid fertilizer formulated with potassium Silicate that promotes the growth of strong plant tissues. The 8oz concentrate of Simply Silica makes 47 gallons of ready to use product. Use Simply Silica as a soil drench or foliar spray once a week from start of vegetive growth throughout flowering and fruiting. Simply Silica is designed to supplement your existent nutrient program, not replace it. It is safe for resevoirs. It will not clog drippers. Simply Silica improves a plant's natural resistance to environmental stresses, including heat and drought. Silica is a mineral supplied to plants as a nutrient that provides rigidity and structural endurance for crops. Silica increases root growth, boosts yield, and enhances crop quality. The product is not registered in Alabama, Arkansas, Kentucky, Maine, Maryland, Oregon, South Dakota, Utah, and Wyoming.