Modular hydroponic system

Claim 1

A hydroponic system comprising a plurality of plant support units in fluid communication and disposed end to end to form a continuous flow modular hydroponic system, each plant support unit including a nutrient tray of liquid nutrient impervious material to operatively house a nutrient therein, a support means comprising a support structure defining at least one support surface to operatively support each said plant support unit and a nutrient feed supply comprising a pump and storage tank to feed nutrient therefrom to a supply pipe operatively coupled to the first of said plant support units, the adjacent plant support units being coupled together by interconnecting feed pipes, the last of said plant support unit being coupled to said nutrient feed supply by a return feed pipe, each said plant support unit comprising a nutrient tray having a ledge formed about the upper inner peripheral portion thereof and a plant cartridge support member having a corresponding ledge formed about the periphery thereof configured to matingly engage said ledge of said nutrient tray to form a nutrient compartment within said tray, said plant cartridge support member including at least one cartridge aperture formed thereon to operatively support a corresponding plant cartridge, at least one cartridge operatively configured to support a plant therein, said plant medium cartridge comprising a cylindrical hollow member having a coupling member formed about the upper portion thereof to operatively couple said plant cartridge to said plant cartridge support member and a retainer means formed on the lower portion thereof to operatively retain a planting medium within said hollow member, said retainer means comprising at least one retainer member extending inwardly relative to the side wall and from above the bottom portion of said substantially cylindrical hollow member to operatively engage the lower portion of the planting medium.