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Great stability for any size plant
Case Quantity is: 4
Available Sizes
a necessity for a plant to thrive and produce high quality crops
It’s true
Master-A grow-light-ballasts Great stability for any sizeNPK 4 0 3 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 Humboldt Nutrients team of chemists and agronomists emphasize balance and consistency with all our formulas. Master A&B is formulated to provide your favorite
