This distinctive organic PK liquid bloom booster is specially extracted from our unique natural sources of phosphorous and potassium. Bat guano, renowned as an unparalleled organic source of phosphorous, is combined with Langbeinite, a natural source of potassium mined from ancient sea beds in the American southwest. Carefully collected from around the globe, HPK is minimally processed to preserve all of the benefits and amazing synergistic qualities found in our exceptional ingredients. HPK is incredibly effective in improving flower quality and is for use in both soil and hydroponics.
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