Humboldt Nutrients Master B, gal

Humboldt Nutrients Master B 1 - 5 - 6

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. A & B formulas are sold individually.



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