Features: Contain nutrients and trace elements to ensure water plants are healthy and thriving. New formula specially design for red plants, enhancing the color and promote growth. More easily for plants to absorb iron and consume the energy they need. How to use: Use cap as measure scale, inner cap is 5ml and outer cap is 10ml. Recommended weekly water change: 30-50% For weekly use, use 10ml for every 50L of water. If the green plants are not growing well, add 1ml of Premium Water Plant Fertilizer for every 60L of water. Tips for growing red plants: Strong lighting. High volume of CO2. Low nitrogen and phosphorus tank so don't have too many fishes. Keep the temperature at 22℃~26℃. Cautions: Store in cool area, avoid direct sunlight. Keep out of reach of children.