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All HID grow lights require an electrical ballast to operate, and each ballast has a particular power rating. Popular HID ratings include 150W, 250W, 400W, 600W and 1000W. 600W HID lights are the most electrically efficient as far as light produced, followed by 1000W. A 600W HPS produces 7% more light (lumen-per-watt) than a 1000W HPS. [22]
"40" sticker—400 watts (MV/MH/HPS/PSMH)—Very common "No" sticker [clarification needed] —600 watts (MH/HPS)—Lamps for commercial or industrial lighting are so rare that there isn’t any NEMA sticker. Most 600 watt HPS lamps are used for growing. "70" sticker—700 watts (MV)—Very uncommon "75" sticker—750 watts (HPS/PSMH)—Uncommon
A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure and high pressure.
Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]
HID lamps are used in high-performance bicycle headlamps, as well as flashlights and other portable lights, because they produce a great amount of light per unit of power. As the HID lights use less than half the power of an equivalent tungsten-halogen light, a significantly smaller and lighter-weight power supply can be used.
In a grow shop there are products for indoor growing of plants, including: lamps/light bulbs, ventilation fans, pollinators, pots, fertilizers, and many other products for indoor and outdoor growing. Typically, grow shops or hydroponic stores do not sell drug paraphernalia or anything relating to drugs like cannabis seeds. Some grow shops may ...
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