The Leaf Zone Aquarium Plant Growth Liquid by API is a 18 oz treatment specifically designed for promoting plant growth in freshwater aquariums. With the capability to treat 946 U.S. gallons of fresh water, this product is a convenient and effective solution for maintaining healthy and vibrant aquatic plants in your aquarium. Made in the United States, this aquarium treatment is a must-have for any fish tank owner looking to enhance the beauty and balance of their underwater ecosystem.