Hydretain ES Plus Moisture Management Hydretain ES Plus has Hydretain's root zone moisture management technology with a non-ionic surfactant that is environmentally sound and a renewable resource that will improve soil penetration. This is designed to reduce watering by 50% for plants and turf. It is made of a new chemistry that is neither a superabsorbent polymer nor a wetting agent. Hydretain attracts free water molecules from the air, acting like water magnets - this vapor is usually unable to be used by plants and goes back into the air. Hydretain uses this water vapor and turns it into a liquid form that transfers it to the plant roots. This product will help keep plants and turf alive and green. Hydretain saves water usage, lowers labor and cost and provides a greener outcome.