GO Diamond Black

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  • $ 16.98
  • Regular price $ 16.98


General Organics Diamond Black™ 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 Black™ supports beneficial microbial activity in soils and increases micronutrient availability. Diamond Black™ 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. 

Available in quart, gallon, and 6 gallon sizes.

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