Features: 1. **Effective Water Clarity**: Our aquarium water purification agent utilizes glycerin and protease to break down organic matter, ensuring crystal clear water for your fish tank. Perfect for maintaining a healthy aquatic environment. 2. **Oxygen Balance**: The inclusion of oxidoreductase helps to balance oxygen levels in the water, promoting a stable and healthy ecosystem for your aquatic pets. 3. **Easy Application**: Simply add 5ml of the solution to 100L of water weekly or after water changes for optimal results. Shake well before use to maximize effectiveness. 4. **Professional Algal Control**: This product acts as a powerful algal suppressant, effectively controlling algae growth and preventing overproduction, keeping your tank clean and vibrant. 5. **Safe for Aquatic Life**: Formulated specifically for use with aquatic animals, ensuring that your fish and plants thrive without harmful side effects. Our aquarium tank water purifier contains glycerin, protease. It breaks down organic matter and keeps the water clear. Oxidoreductase balances oxygen in water and promotes ecological balance. Its use method is very simple: 1. When the water quality is cloudy, add 5ml of this product in 100L of water per week (10ml per bottle), or add once after changing the water, and the amount is halved. 2. Shake well before use and increase oxygenation after use. Applicable only to aquatic animals. Professional algal suppressant, effectively control algae growth, avoid overproduction.