WaterLife Sterazin 250ml is a powerful and effective aquarium treatment designed to eliminate external parasites and fungal infections in fish. It is specially formulated to target a wide range of common aquatic diseases, including white spot (ich), velvet, and fungal infections, without harming your fish or plants. This safe and easy-to-use solution is perfect for both freshwater and marine aquariums, helping to restore the health of your aquatic pets quickly and effectively. The 250ml bottle offers a generous supply for treating multiple outbreaks or larger aquariums.