Master-A Options:Master-A, 1 gal. Compatible with 120V controllers and

Compatible with 120V controllers and timers

Speeds uptake and distribution of essential macro- and micronutrients required for all plant metabolic functions and growth

• 7 Steel garden stakes

50 kg Cargo Scale

Master-A Options:Master-A, 1 gal. Compatible with 120V controllers andNPK 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