Hagen 6-Pack Fluval Zeo-Carb Ammonia Remover for Aquarium Filter
Fluval Zeo-Carb is a premium blend of research grade Fluval Carbon and Fluval Ammonia Remover. Working together, these highly effective media eliminate liquefied impurities, odors and discoloration, while simultaneously removing toxic ammonia, for a clean, healthy aquarium. Combining two products into one gives you more space in your filter system for other types of media. Replace Fluval Zeo-Carb once a month, more often if aquarium is heavily populated and remove when medication is being administered in aquarium water.