Master-A, 5 gal. HNMA420

Humboldt Nutrients Master A&B, available in a convenient 5-gallon size as HNMA420, is the ultimate solution for providing your plants with the essential nutrients they need to thrive. With a NPK ratio of 4-0-3, this premium two-part fertilizer program is specially designed to cater to all types of plants, ensuring optimal growth and vitality.

Crafted with top-quality, non-toxic ingredients, Humboldt Nutrients Master A&B is a reliable choice for both novice and experienced growers. This specialized formula has been developed by a team of skilled chemists and agronomists who prioritize balance and consistency in every batch.

What sets Master A&B apart is its ability to enhance the absorption of crucial nutrients, vitamins, minerals, and trace elements by your plants. By delivering a well-balanced mix of macro and micronutrients, this fertilizer series ensures that your plants have everything they need for robust growth and bountiful harvests.

For best results, use Master A&B in combination with Humboldt Nutrients’ powerful additives to witness a significant increase in both yields and quality. Whether you are growing flowers, vegetables, or herbs, this nutrient program is sure to elevate your gardening experience to a whole new level.

Follow the simple directions provided to achieve optimal results. Maintain a 1:1 ratio with Master A&B throughout the bloom cycle, adjusting the PPM levels as needed in the later stages to meet your plants' requirements. Derived from a blend of premium ingredients including Ammonium Nitrate, Potassium Nitrate, and various essential minerals and elements, Humboldt Nutrients Master A&B is the go-to choice for discerning growers looking to become true masters of their craft.