Placing fountains in ponds and lakes not only adds aesthetic beauty to golf course grounds, but the aeration also increases circulation and oxygenation of thermal-stratified Kasco Marine Inc., Prescott, Wis.and stimulates the natural biodegradation of organic matter such as grass clippings, leaves, runoff and wildlife . Also prevents the spring/fall turnover that causes fish kills, controls the mosquito population, reduces algae growth and controls pond odor. EVFX-series aerating fountain (shown) creates a V-shape display that mixes up to 2,550 L per minute. Four models offer 0.5 to 3 hp at 220 volts and range from 2.2 to 12.5 amps. Each fountain includes pump, float with mooring ropes and power cord.