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GH-DiamondB.S.gif DIAMOND BLACKô Dry Premium Organic Humic Acid

General Hydroponics Diamond Black is a pure, mined material that meets all organic standards for crop production, Consists of the richest agronomically effective and organically certified plant-active humates. It is commonly understood that humates regulate the flow and enhance the transport of vegetative nutrients, and that they work best when applied continuously during the growing season. The only granular leonardite that has been proven soluble during a single season. Once it is blended with rooting media, Diamond Black will slowly break down and add humates to your plants root environment.

Choose from the following products:

Diamond Black Dry Premium Organic Humic Acid 3 lb

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