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)...........4.90%
* Soluble Potash (K20)........3.80%
* Calcium(Ca)....................1.70%
* Molybdenum(Mo)........0.0008%

DERIVED FROM: Calcium Nitrate, Potassium Nitrate, Sodium Molybdate, Amino-Chelated Calcium and Sodium Borate, Amino-Chelated Iron, Amino-Chelated Zinc, Amino-Chelated Manganese, Amino-Chelated Boron, Amino Acid Complex and Organic Acid Complex.