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Double Ended Bulbs

Double-ended (DE) bulbs are high intensity discharge (HID) lamps with connection points on either side of the glass bulb, an excellent choice for indoor gardening. Relatively new to the market, lights from manufacturers like Plantmax, SolisTek and Ushio offer the additional benefits of higher light output, longer bulb life and wider spectrum emission. Like traditional single-ended (SE) lamps, multi-spectrum choices range from high pressure sodium (HPS) lights, typically used during the fruiting & flowering phase, and metal halide (MH) lights, typically used in the vegetative growth phase.

Check out John in 60 Seconds Series About Double Ended Bulbs by Plantmax