A method and apparatus for vectoring flow control and aeration of a liquid medium, includes a dome supported by a flotation device, a lower housing supported by said flotation device, said lower housing connected to said dome, wherein a space is defined under said dome and above the flotation liquid, an aeration apparatus positioned within said space and partially submerged in the flotation liquid, wherein said aeration apparatus comprises one or more parallel shafts, at least one first disc positioned axially on one of said shafts, at least one second disc positioned axially on another of said shafts, wherein said second disc is interleaved relative to said first disc, and wherein a surface of said first disc rotates in a direction opposite a surface of said second disc relative to each other resulting in a mixing area therebetween, and a discharge chute configured to discharge the liquid medium.