Hydroponic Research® DOS B (100 lbs.)

Hydroponic Research DOS B Base, 0-3-10, Two Part Powder Nutrient (100 lbs.)

More concentrated. A better price point. Already the cleanest, most stable nutrient, today's DOS makes every part of your grow even easier. Specially made for proportionate mixers and fertigation systems. The two-part powder maintains a consistent balance as a stock concentrate, so managing EC has never been easier.