Humboldt Nutrients Master B 1-5-6 -- 1 Quart Whiteflies with an 80 PSI maximum

with an 80 PSI maximum feed

sitting between the 67 g pound pack and the 7 lb 420 g

dual-level LCD and automatic shut-off

developed specifically for harvesting delicate dried flower or hemp

conformally coated for high humidity ­ no consumer electronic junk

Humboldt Nutrients Master B 1-5-6 -- 1 Quart Whiteflies with an 80 PSI maximumHumboldt 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.