Micro is formulated to provide your plants with Nitrogen, Potassium and Calcium for the base of every feed. Bringing very essential micronutrients for both the Vegetative and Flowering phases. Use in conjunction with Success Flowers and Success Trees for the best results. Micro is very effective in both Soil and Hydroponic gardens. Directions for use: Use with every watering during both Vegetative and Flowering growth cycles. Mix well and adjust pH accordingly. Shake well before each use.