About This

• 18 total 306/406, 307/407 Ammonia Remover media
• Specifically designed for Fluval 306/406 and 307/407 external filters
• Ideal for new and heavily stocked saltwater and freshwater aquariums
• Replacement media is effective at reducing and controlling toxic ammonia spikes
• Effectively traps floating particles for clear water (debris, excess food and waste)