Master B


SKU: hmh00075 Category:


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.


Use 1:1 Ratio with Master A&B as a two part Base Bloom Nutrient. Adjust PPM higher in later stages of the bloom cycle to desired strength. GUARANTEED ANALYSIS:

  • Total Nitrogen (N)……….1.50%
  • Available Phosphate(P2O5)…..5.20%
  • Soluble Potash (K20)……..6.30%
  • Magnesium (Mg)………..1.00%

DERIVED FROM: Monopotassium Phosphate, Magnesium Phosphate, Mono Ammonium Phosphate, Magnesium Sulfate, Magnesium Nitrate, Amino-Chelated Magnesium, Potassium Nitrate, Dipotassium Phosphate, Potassium Carbonate, Amino-Chelated Potassium, Amino Complex and Organic Acid Complex.

Additional information

Dimensions 12 × 12 × 12 in


Humboldt Nutrients