Roots 2756563 27-56563 Terra-Sorb Super Absorbent Planting Gel, 6-Ounce Significantly increases water-holding capacity of soil to help during times of heat and drought stress Absorbs up to 150X it's weight in water, then slowly releases this water to soil and plant roots Absorbs and releases water repeatedly, slowly biodegradable Non toxic, can be used on all plant types indoors and outdoors Ideal for use with hanging baskets and containerized plants which require frequent watering