Humboldt Nutrients Master A&B is a premium two-part fertilizer program designed for all plants made with non-toxic, high quality ingredients.

Humboldt Nutrients has formulated this vigorous 2-part nutrient solution for use on any plant, in any growing medium and contains no EDTA’s.

Master A&B is formulated to provide your favorite plants with high absorption of nutrients, vitamins, minerals and trace elements.

The Humboldt Nutrients team of chemists and agronomists emphasize balance and consistency with all our formulas. The phosphorus and potassium present in Master B are combined with magnesium, allowing your plants to effectively utilize all available nutrients.

The Master A&B series stands apart from your standard base nutrient line by making macro and micro nutrients more available to your plant.

Used in conjunction with Humboldt Nutrients powerful additives we assure that your yields and quality will increase so dramatically, that your friends will call you simply, “The Master.”

DIRECTIONS:
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.

DERIVED FROM: Ammonium Phosphate, Magnesium Phosphate, Monopotassium Phosphate, Potassium Carbonate, Magnesium Nitrate, Magnesium Sulfate and Polyamide Complex.