MFR: Humboldt NutrientsSKU: HNMB405
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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 EDTAs.
The Master A&B series stands apart from your standard base nutrient line by making macro and micro nutrients more available to your plant.
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 Nitrate, Potassium Nitrate, Calcium Nitrate, Sodium Molybdate, Calcium Carbonate, Sodium Borate, Iron, Zinc, Manganese, Boron and Molybendum.