HUMBOLDT® MASTER 'A' 4-0-3 QUART (12/CASE) (723024)
Humboldt Nutrients Master A
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.
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