Keep your aquarium safe from dangerous ammonia levels with the AquaClear Ammonia Remover Filter Insert, designed for 30-gallon tanks. Ammonia buildup from fish waste, leftover food, and debris can harm your aquatic pets, leading to stress, sickness, or even fatality. This filter insert acts quickly to eliminate and manage ammonia and nitrite levels, enhancing water clarity and minimizing stress for your fish. Perfect for newly set up or densely stocked freshwater tanks, it ensures a healthier environment. Compatible with AquaClear CycleGuard Power Filter, it also offers effective chemical filtration through activated carbon inserts, supporting a flourishing aquarium. For all your aquatic needs, visit shop.morphmarket.com.