Bring sparkling clarity to your aquarium with the VAYINATO Aquatic Remedies by-Par Regenerative Absorbent Aquarium Water Purifier! This scientifically formulated purification media removes discoloration, ammonia, nitrite, nitrate, organic waste and helps reduce algae, ensuring crystal-clear water and a healthy aquatic environment. Easy to use and rebuildable, the pouch comes with a mesh bag so you can place it directly in your filter or aquarium. With regular monthly regeneration, this purifier continues to absorb impurities, making maintenance simpler and keeping your tank water bright and fresh.