Master-A complete-systems 16’ or 20’ lengths

16’ or 20’ lengths

Ultra quiet operation

Daisy-chain up to 5 units (4 of these add-on units plus the the Commercial Mat MTMDU)

clean and easy to use

And the result is a better harvest

Master-A complete-systems 16’ or 20’ lengthsNPK 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