Abstract: An apparatus for dissolving gas into water from a lake, pond or the like, including a housing having a surface defining an enclosed volume, a water intake conduit having an external inlet end and an outlet end inside the housing between which water flows through the housing, a reservoir within the housing having first and second apertures, the first aperture positioned to receive liquid discharged from the outlet end of the liquid intake conduit, a liquid evacuating conduit having an inlet internal to the housing and an outlet external to the housing for conducting water through the housing, the inlet end of the liquid evacuating conduit being sealed about the second reservoir aperture to evacuate the water, a water atomizer within the housing and positioned between the liquid intake conduit outlet and the first reservoir aperture to atomize the water before the water enters the reservoir, and a gas intake conduit with an inlet end connected to the housing exterior and an outlet end inside the housing to cond