Humboldt Master B Quart (12/Cs)

Humboldt Master B Quart (12/Cs)[ 723034 ]

$14.87 $23.40

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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