Roots Organics HPK liquid bloom booster features a unique combination of seabird guano, an unparalleled source of available natural phosphorus, phosphate rock, and langbeinite, a natural source of potassium carefully mined from ancient sea beds in the deserts of the American Southwest. Aurora Innovations has taken generations of gardening expertise and distilled it into a distinctive, easy-to-use formula for the home and commercial gardener.

Roots Organics HPK bloom booster is minimally processed to preserve all the benefits and amazing synergistic qualities found in our exceptional ingredients.