Brand: Humboldt

Product Code: 0000002723037-01

Availability: In stock

$19.95

Available Options

Contact Us
  • Email

    support@sunsethydro.com

  • Phone

    M-F 9:00 AM EST - 5 PM EST

Contact form

Humboldt Nutrients Master B - Humboldt Nutrients Master A & B is a premium two-part amino acid-based fertilizer program designed for flowering plants. The amino acids and organic acid complexes set the Master A & B series apart from your standard base nutrient by making all the macro and micro nutrients more available.

NPK Ratio: 1-5-6

Available in: Quart | Gallon