Seachem StressGuard is a specialized aquarium water conditioner formulated to help reduce stress and ammonia toxicity when handling, transporting, or introducing fish. This advanced formula binds to exposed proteins in wounds to support healing and reduce the risk of infection, making it ideal for stressed or injured fish. Safe for use in freshwater and saltwater aquariums, it does not coat resins or clog filtration systems and is compatible with most medications except copper-based treatments. Packaged in a 250 ml bottle, StressGuard provides reliable support for fish health during stressful conditions.