Patent ID: 7544286

Claim:
In an aquatic system having a receptacle containing water, apparatus for providing an environment for enhancing biogrowth comprising: a medium submerged in the water to promote the growth of microbes on the medium, said medium including a plurality of individual flexible elements arranged in a cluster wherein the elements collectively occupy a thickness dimension of at least about one inch and the cluster extends in a substantially continuous curtain across substantially the entirety of the width of the receptacle; a support for supporting said medium with said elements submerged in the water and one end of said elements free to allow the elements to flex in a manner to dislodge excessive accumulation of biomass therefrom; a first zone within the medium for effecting at least one of anoxic, anaerobic and aerobic treatment of the water; and a second zone within the medium for effecting at least another of anoxic, anaerobic and aerobic treatment of the water.