CN CN103221346A
Cultivators and methods of cultivating microorganisms are provided. In some examples, a cultivator may include a retaining wall defining a cavity for retaining liquid and may also include a horizontally orientated frame at least partially positioned within the cavity and having media for supporting microorganisms. In other examples, the horizontal frame may be partially submerged in the liquid retained in the cavity and rotatable to selectively submerge and unsubmerge portions of the frame and media.
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