Hydretain 080-4380 ES Plus Granular OC 40 lbs - Hydretain ES Plus Granular OC puts the power of Hydretain ES Plus in a free-flowing organic compost carrier. It can be applied through any traditional dry spreader equipment. Hydretain manages soil moisture and extends watering intervals for ornamental plants, turfgrasses, trees, shrubs, and agriculture by as much as 2 to 3 times.