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1000 Watt HPS by Hydrofarm-Hood, Ballast, Bulb $127.5 Hydroponic Heat Mat 48 x 20 Hydrofarm $66.0 Hydrofarm 400w. Remote Ballast w/ Recflector & MH Bulb $50.0 Hydrofarm All System Cord Set Used Grow Light Ballast $0.99 HydroFarm CO2 $50.0 Hydrofarm Valubrite Aluminum HID Wing Reflector Light $0.99 CO2 1-20 cubic feet per hour w/ Timer Hydrofarm Grow $124.95 Hydroponic Heat Mat 20 x 20 Hydrofarm Seedling GROW $32.0 Hydroponic Heat Mat 20 x 20 Hydrofarm Seedling GROW $32.0 hydrofarm CO2 EMITTER w/ Timer AND TUBING $40.0 HYDROFARM GROW LIGHT BALLAST HPS 1000 W. 120 V $0.99 Hydrofarm CO2 (.2-2 cubic feet per hour) with Timer $124.95 Hydrofarm Seedling Heat Mat 10" x 20" Germinate Seeds $4.25 HydroFarm 600watt Metal Halide Growlight $200.0 Hydrofarm Seedling Heat Mat 20"x20" Germination seeds $32.95 6" Hydrofarm Daystar AC Reflector w/ 600 W Hortilux NR $83.0     Next Page >>