Maintain crystal-clear water in your aquarium with API Bio Chem Zorb Treats. These convenient filtration media pouches effectively remove organic waste, impurities, and odors, promoting a clean and healthy aquatic environment. Its long-lasting formula ensures continuous filtration for up to 210 liters of water. Designed to effectively remove organic waste, colors, odors, and toxins from aquarium water Helps maintain crystal-clear water and a healthy aquatic environment for fish and plants Easy-to-use, simply place in the filter and replace regularly for optimal water quality and fish health