Saves time, saves money, and boosts your profits! A remarkably efficient, super-absorbent co-polymer that absorbs around 150 times its weight in water, then releases it slowly, to reduce watering by 50% or more. It's a process thats repeated when water is reintroduced ... over a period of 3-4 years! Non-toxic, non-hazardous to the environment, and compatible with fertilizer and other Green Industry chemicals. Three different compositions for a variety of uses. Horticultural grade - Medium-for planting, seeding, sod, flower beds, and potting mixes. .75 mm to 2.0 mm in size.