HPK (Bat Guano & Langbeinite)


This liquid bloom booster is ideal for hydroponics or soil! Roots Organics HPK (0-5-4) is a specially extracted natural source of phosphorus and potassium. Bat guano, which is renowned as an unparalleled source of available natural phosphorus is combined with langbeinite — a natural source of potassium 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 liquid formula for the hobbyist and professional gardener.

Available in FOUR convenient sizes.

Mix 1 Tbsp per gallon, particularly during fruiting or flowering.

Guaranteed Analysis (0-5-4):
Available Phosphate ….. 5.0%
Soluble Potash ….. 4.0%

Feeding Schedule (PDF)
Master Feeding Schedule (PDF)

Ingredients: Bat guano and langbeinite.