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Diamond Black™ is an organic form of leonardite containing an exceptionally high percentage of
beneficial, plant-active humic acids. Dia mond Black™ is rich in substances that afford growers the advantages of natural, organic matter in a highly available and easy to use form. It increases the uptake of micro nutrients. Can be applied to all cultivated plants including fruits, flowers, vegetables, trees, vines and
ornamentals. Use in soil, potting mixes or soilless rooting media.
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