Aerating fountains operate in ponds and lakes from 30 ins. to 15 ft. deep. Offer interchageable spray patterns that can be altered in 20 mins. Add available lights for nighttime drama. High-intensity thermoplastic design withstands brackish. Heavy-duty High Volume models boast pumping volume of 920 gals. per min. and 3.2 lbs. of oxygen transfer per hp. Ideal for golf courses, parks, and building grounds. Non-toxic Ottershield dye adds aesthetic color. Otterclear bacterial bioaugmentation product, together with aerating fountain, clarifies pond water. Bunker Pumper floating pump drains pools, sand traps, construction ditches, and low-lying fields.