Diamond Black 0-0-1 -- 6 Gallon
Diamond Blackâ„¢ is derived from 100% pure mined Leonardite, a naturally occurring form of carbon drawn from prehistoric peat bogs. Containing an exceptionally high percentage of plant-active humates, Diamond Blackâ„¢ supports beneficial microbial activity in soils and increases micronutrient availability. Diamond Blackâ„¢ can be added to all kinds of garden soils and potting mixes, and used with a wide variety of plants during all phases of growth.