F4W Grow B (0-3-4 NPK) Premium Liquid Fertilizer for Strong, Lush Cannabis Growth - Used Together with Grow A F4W Grow B is designed to complement Grow A and complete your vegetative feeding program. Rich in phosphorus, potassium, and essential micronutrients, it strengthens root systems, boosts early flower formation, and sets the stage for heavy, healthy yields. Why Choose F4W Grow B? • Supports Root & Stem Strength Phosphorus drives deep root development and sturdy plant structure. • Improves Early Bud Formation Enhances the transition into flowering with better bud set and potential yield. • Boosts Photosynthesis & Nutrient Use Potassium increases energy production and helps plants absorb nutrients from Grow A more efficiently. • Regulates Hydration & Cell Strength Improves water balance and strengthens cell walls for more resilient plants. • Optimized Yield Potential Balanced nutrients ensure dense, healthy growth and maximize flower output. Ideal For: • Vegetative and early flowering stages • Use with Grow A for a complete feeding system • Soil, coco, or hydroponic setups