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.

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.