Fluval Ammonia Remover Foam Insert Block

Fluval Ammonia Remover is designed to neutralize toxic ammonia, a common issue for new, heavily stocked and overfed aquariums. Chemical filter media Removes toxic ammonia to prevent fish loss Supports a healthy environment when setting up a new aquarium Recommended for aquariums with higher than average fish stock Ideal for emergency ammonia spikes Reduces fish stress Ideal for use after medicating fish For best results, replace monthly or as required after testing water with your Fluval test kits Designed specifically for the Fluval Flex, Spec and Evo aquarium series Convenient 4 x Duo-Pack format