Maintain for Ponds is the #1 treatment for ponds. Aquascape Maintain for Ponds XT combines our most effective pond water treatments into one powerful formulation to successfully keep ponds clean, clear, healthy, and maintenance-free. This easy-to-use water treatment contains a powerful blend of beneficial bacteria, phosphate binder, flocculant, and pond detoxifier to support a healthy ecosystem and clear water conditions. Maintain for Ponds XT is available in half gallon and gallon options and designed only for use with the Smart Pond Dosing System XT.