Return and Refund Policy:

​Unopened packages can be returned within 90 days for a full refund, customer pays return shipping. In the event of damaged or defective product, we must be notified within 30 days, and we will replace at no charge to customer.


Shipping costs based on weight and location calculated prior to finalizing the order.

SKU: 107319E Category:

GH General Organics Diamond Black 2.5 Gallon (2/Cs)

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.


Additional information
Weight 11.4 kg

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