Success Nutrients Bud Strength: Plant Life Cycle Essential Nutrients - 1 Quart - Case of 8Bud Strength is essential to every aspect of plant life. Our highly fortified calcium, magnesium, and iron plant supplement designed to correct common deficiencies or imbalances in both Vegetative and Flowering phases. Balance is very effective in both Soil and Hydroponic gardens. Use in conjunction with Success nutrients plant food and supplements. Nutrient Composition Macronutrients (N) 2 (P) 0 (K) 0 (Ca) 2 (Mg) 0. 5 (S) 0 Micronutrients (B) 0 (Cu)