The Athena Stack 1 Gallon is a liquid fertilizer specifically designed for hydroponics systems and outdoor gardening. Made by Athena, the brand known for high-quality products, this gallon-sized bottle provides a convenient way to deliver essential nutrients to plants in a liquid form. With a 1 gallon volume, this fertilizer is perfect for large-scale gardening projects and ensures that your plants receive the necessary nutrients for healthy growth and vibrant blooms.