The four main types of grow lights are LED, fluorescent, high-intensity discharge (HID) lamps, and incandescent lamps. LEDs are energy-efficient, long-lasting (up to 50,000 hours), and emit low ...
Rather, they are stealing only the HID headlights ... require much less power than standard grow lamps, yet, critically, they offer the right quality of light and heat. According to De Telegraaf ...
High Intensity Discharge (HID) lights get quite hot ... Made in Belgium by indoor plant grow light enthusiasts, PlantSpectrum is a bit different. For a start, the casing has been designed to ...