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Ships within 48 hours · Estimated delivery Oct 2 - Oct 7
Power source: 3 x 1
The use of Grow Natural promotes full flavors
• Will not scratch vinyl or plastic surface when used according to label directions
Controls cooling or heating equipment
is the 70 oz size (pack of 6)
Master-B refurbished-products Power source: 3 x 1NPK 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 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
