Pondworx Pond Bacteria - Formulated for Water Features and Safe for Koi (4 Gallon Value Pack)

Once applied, Pondworx Bacteria will instantly get to work on muck and sludge This concentrated formulated is designed for large ponds but also works great in water gardens, koi ponds and other water features and will not harm vegetation, fish or wildlife. Treated bodies of water may be used for recreation, fishing, and other activities immediately after applying. Pondworx Products are designed to work in conjunction with each other to provide best results to promote healthy bacterial growth and help maintain an ideal ecosystem for your body of water