Humboldt Master A Gallon (4/Cs)

Humboldt Master A Gallon (4/Cs)[ 723026 ]

$44.62 $70.20

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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