Kordon Copper Aid External Parasite Treatment is an essential solution for maintaining the health of your freshwater aquarium. Designed specifically to protect your tank from pesky external parasites, this treatment is effective for a full month, ensuring your fish remain safe and vibrant. It's particularly popular for combating common issues like Ich and Velvet, making it a must-have for any fish enthusiast. With just one teaspoon needed per 4 gallons of water, it's both easy to use and economical. One of the standout features of Copper Aid is that it won't discolor your aquarium water, allowing you to keep your underwater environment visually appealing while treating your fish. Suitable for a variety of species, including bettas and guppies, this treatment is ideal for hobbyists looking to maintain a healthy aquatic ecosystem. Invest in Kordon Copper Aid to give your fish the protection they deserve!