Hydra-Hume DG is a granular leonardite blend containing 70% humic
Acids. It is mined from leonardite deposits originating from fresh
water vegetation and has a low salt index. Hydra-Hume DG contains a
variety of micro nutrients. The humic acids contribute to improved
soil structure & water holding capacity, and nutrient uptake by
plants. It is available in two grinds: Regular - containing multiple
particle sizes and is designed for optimum dispersion in fertilizer
blends; Greens - screened for a uniform particle size ideal for use
on and penetration into turf. Hydra-Hume DG is National Organics
Program compliant.