A captivating waterfall for any new, remodeled, or existing pool or spa The Water Blade waterfall produces a clear arc of water that has a wide range of water effects that can easily be adjusted to suit any mood or environment. You can choose a silent, a glass-like sheet of water, or a rushing spouts waterfall! The clear arc of water projects away from the pool wall and is available in lengths from eight inches (6") to eight feet (8').