The Aquascape Large Pond Kit 21' x 26' comes complete with everything you need to build a beautiful 21' x 26' ecosystem pond in any space, eliminating the guesswork and calculations when purchasing individual components. The complete kit includes a skimmer and BioFalls® filter to provide effective mechanical and biological filtration. Your choice of either an Aquascape Smart Control App capable AquaSurge Adjustable Flow pond pump, SLD pump or our solids-handling pond pump. An LED lighting package is included to bring your pond to life at night. An Automatic Dosing System with Maintain for Ponds water treatment is included to automatically add water treatments to the pond, keeping water conditions clean and clear. Builds an 21' x 26' pond with a maximum depth of 2'