The Microbe Lift 16 Oz Barley Straw Extract is a concentrated solution specifically designed for the treatment and maintenance of pond water. With free express shipping within the United States, this product is suitable for use in ponds to help maintain water quality and promote healthy ecosystem balance. Perfect for aquarium pond owners looking to improve the overall health and clarity of their water features, Microbe Lift is an effective and convenient solution for achieving a clean and thriving aquatic environment.