Greenhouse Sale - TAKE 5% off select Greenhouse Kits! - Call for details

Master-B, 32 oz.

Hydroponics is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite, gravel, mineral wool, or coconut husk

Our Price: $23.40
List Price: $$23.40
Join our family discount club - Free membership for a limited time! When you place your first Hyrodponic order with us, you will be automatically registered in our family growing club. This is a new program we are excited to offer to our customers. Club members will get disount coupons and access to special club only member deals!. Full details coming this weekend so get in early ... Free Growing Club membership offered to the first 100 customers only.
Stock #HNMB405

volume discounts available
$75 min order on all hydroponics
huge selection - everything you need

Free Shipping on orders over $999!
Usually ships within 3 days


Add Items to Cart


Free Shipping Additional shipping charges may apply on large / heavy items Hydroponics Shipping Details

NPK 1-5-6

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 EDTA's.

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 plants with higher absorption of nutrients, vitamins, minerals and trace elements.

The Master A&B series stands apart from your standard base nutrient line by making macro and micro nutrients more available to your plant.

Used in conjunction with Humboldt Nutrients powerful additives we assure that your yields and quality will increase so dramatically, that your friends will call you simply, "The Master."

DIRECTIONS:
Use 1:1 Ratio with Master A&B as a two-part Base Bloom Nutrient. Adjust PPM higher in later stages of the bloom cycle to desired strength.

DERIVED FROM: Ammonium Nitrate, Potassium Nitrate, Calcium Nitrate, Sodium Molybdate, Calcium Carbonate, Sodium Borate, Iron, Zinc, Manganese, Boron and Molybendum.

BONUS COUPONS