Success Nutrients Trees: Plant Nutrients for Vigor - 1 Gallon - Case of 4Trees is formulated to complement your plants in both the Vegetative and Flowering phases. Use in conjunction with Flowers and Micro for the best results. Trees is very effective in both Soil and Hydroponic gardens. Nutrient Composition Macronutrients (N) 2 (P) 1 (K) 6 (Ca) 0 (Mg) 0. 5 (S) 0 Micronutrients (B) 0 (Cu) 0 (Fe) 0 (Mn) 0 (Mo) 0 (Zn) 0 N) Nitrogen Building block element Required for plants to produce chlorophyll and proteins Plays a major