The Aqua-Jet® surface mechanical aerator, introduced in 1969 by Aqua-Aerobic Systems has led the aeration industry for over four decades with more than 1.5 million installed horsepower, representing nine billion hours of run-time. The robust design and high efficiency of the Aqua-Jet aerator is applied in a wide variety of applications from pulp and paper mills to digesters and sludge holding basins, treating both domestic and industrial wastewater and potable water applications that require TTHM removal.