Humboldt Nutrients Master-B Flower & Bloom Nutrients For deep water culture systems:

For deep water culture systems: change reservoir once every 3-5 days

Too much and you cause more harm than good

this cell-wall fortifying supplement can be mixed with other fertilizers for general soil use and nutrient systems

can eventually lead to irreversible wilting

and mined minerals

Humboldt Nutrients Master-B Flower & Bloom Nutrients For deep water culture systems:Part Two Of Humboldt Nutrients Master Fertilizer Program Humboldt Nutrients has formulated this vigorous 2 part nutrient solution for use on any plant, in any growing medium and contains no EDTAs. Humboldt Nutrients Master A&B is a premium two part fertilizer program designed for all plants made with non toxic, high quality ingredients. The Humboldt Nutrients team of chemists and agronomists emphasize balance and consistency with all our formulas.