Master-A complete-systems square wave technology provides much

square wave technology provides much greater current stability and consistency in output levels

when used as directed

16’ or 20’ lengths

clean and easy to use

Master-A complete-systems square wave technology provides muchNPK 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