Seachem AmGuard (Ammonia Remover)AmGuard safely, rapidly and efciently detoxifies toxic free ammonia. It is safe to use during tank cycling and is ideal for treating emergency situations. AmGuard is the strongest liquid ammonia binder on the market. It works within minutes to detoxify free ammonia, and it doesnt degrade for nearly 72 hours. Features: Detoxifies ammonia for up to 72 hours Ideal for emergency situations More effective than any other ammonia binding product Directions: