Starch-based hydrating granules which absorbs over 80 times its own weight in water. It then forms a gel around root systems that releases water to the roots & reduces the need for watering. It is biodegradable, non-toxic & odourless, retaining both water & nutrients. Ecofective Water Storing Granules contain no harsh chemicals & are safe to use around children, pets & beneficial insects including bees. Ideal for hanging baskets, pots, tubs when planting out, potting up, transferring into gardens from pots, perfect for drought periods. Simply add the granules to the soil before planting.