Roots Organics Roots Organics HPK 0-5-4 5-Gallon

- HPK liquid bloom booster is a specially extracted natural source of phosphorus and potassium - Contains Bat guano, which is renowned as an unparalleled source of available natural phosphorus - HPK liquid bloom is minimally processed to preserve all of the benefits and amazing synergistic qualities of bat guano - Easy-to-use formula for the hobbyist and professional gardener