Master-A Options:Master-A, 2.5 gal. They come in a 2

They come in a 2 piece set

Worm castings and zeolite promote better aeration and drainage

NOTE: This item does not include the ceramic metal halide lamps

workplaces anywhere that can benefit from purer

Master-A Options:Master-A, 2.5 gal. They come in a 2NPK 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