Hydroponic growing unit

A hydroponic growing apparatus, comprising:

• a container comprising:
• an internal volume for use as a fluid reservoir;
• an open top surface;
• and
• an inner wall and an outer wall, with an internal volume disposed between the two walls, wherein the inner wall is circular in cross-section and extends from the bottom surface to the open top surface, wherein the outer wall extends along a height of the container, and wherein a bottom portion of the outer wall has a larger perimeter than a top portion of the outer wall;
• a support structure comprising support beams structurally connecting five openings located entirely in the internal volume at an upper portion of the container;
• a repositionable fluid level indicator tube, comprising a fluid level indicator, that is positionable in any of the five openings;
• and
• a cover comprising one or more pieces configured to fit over the support structure in the open top surface,
• wherein the container and the support structure define a plurality of apertures separated from the five openings by the support beams, the cover covering the plurality of apertures, wherein the five openings are uncovered by the cover.

A hydroponic growing apparatus, comprising:

• means for containing a volume of fluid having a closed bottom portion and an open upper portion;
• means for covering the open upper portion defining five openings including one centrally-located opening surrounded by four peripheral openings;
• means for supporting a plurality of containers for hydroponic growing of plants such that the means for supporting is located entirely below the open upper portion and under the means for covering and the means for supporting lies directly under the five openings;
• and
• means for measuring the volume of fluid that is positionable into any of the five openings.