Biozym Degreasing Spray 350ml is a specialized water purifier designed to effectively remove oil films from small fish tank surfaces. Utilizing lipophilic and oleophilic polymers, it binds to oil films, making them water-soluble and easy to dissolve. This safe and non-irritating formula restores water clarity without harming fish or aquatic plants, ensuring a healthy and clean environment in your aquarium. Quick-acting and gentle, it maintains optimal water quality while protecting your aquatic life.