Kasco aerating fountains provide lots of aeration but still a great deal of beauty. They are the middle ground between pure aerators and decorative fountains for lakes and ponds. Very nice V-shaped display. . From one-half to five horsepower. Add LED lights for even more dazzle. These lake and pond aerating fountains are energy-efficient and help to reduce algae, pond stagnation, stinky water, and provide mosquito control.