MFR: GrotekSKU: GT0006527
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At the heart of Grotek's line is the essential NPK that provides the foundation for their multi-product formula. Core™ is based on plant matter, which provides key minerals but also high levels of humates and other plant and mineral derived metabolites. This formula can also be used to feed and stimulate soil biology, increasing production of substances known to accelerate plant growth. Just like the rest of the Grotek liquid organic range, Core™ is suitable for all types of growing, from outdoor gardens to water-based hydroponic systems.