Diamond Black 0-0-1
GH Diamond Black 6 Gallon (726844)
Diamond Blackô 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 Blackô supports beneficial microbial activity in soils and increases micronutrient availability. Diamond Blackô 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.
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— Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS).