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General Hydroponics® Diamond Black™  0 - 0 - 1
General Hydroponics® Diamond Black™  0 - 0 - 1
General Hydroponics® Diamond Black™  0 - 0 - 1

General Hydroponics® Diamond Black™ 0 - 0 - 1

$48.67 $57.94


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.
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