Roots Organics HPK Liquid Guano Booster 0-4-3 NPK Quart

- Roots Organics HPK liquid bloom booster features a combination of seabird guano and phosphate rock, renowned as unparalleled reserves of available phosphorus, combined with langbeinite, a powerful source of potassium and magnesium that is carefully mined from ancient sea beds in the desert of the American Southwest. - Aurora Innovations has taken generations of gardening experience and distilled it into a distinctive, easy-to-use formula for the home and professional gardener. - Roots Organics HPK is minimally processed to preserve all the benefits and amazing synergistic qualities found in our exceptional ingredients. - DERIVED FROM: Seabird guano, phosphate rock, and langbeinite - 0 - 4- 3 NPK, Ca 3%, Mg 1%