Metal halide (MH) or high intensity discharge (HID) lighting makes use of a large glass bulb that contains a small quartz tube containing argon gas and a minute amount of mercury. It has a high yield per watt of electricity, i.e., the amount of light it produces is worth the amount of power it consumes. Your email address will not be published. CMH grow lights are great for commercial cultivations and hobbyists with enough space. Choosing which technology is right for you depends on the size of your grow, how long you will be growing in the space, and your allocated budget. The HID lights that are most frequently used in growing plants indoors and in greenhouses are metal halides and high-pressure sodium (HPS). Due to the lower heat output of LED’s, heat may need to be added to the grow room in colder months which will increase costs. LED grow lights may be the best for growers who are looking to harvest half to one ounce of cannabis a month. So historically, Metal Halide lamps, even the new and highly touted Ceramic Metal Halide lamps have been used primarily for Vegetation phases of growth, where the red spectrum is less important, and possibly for the last 2 weeks of ripening. HIDs also have a long lifespan, which is estimated at around 2,000 hours (again dependent on the light and manufacturer), coupled with higher visibility and are great for growing marijuana. Adding more light may help marginally, but don’t expect wonders. Let us know how it works out! Metal Halide (MH) Metal halide is a HID style grow light. Here are 5 truths about growing bigger yields with LED vs HPS grow lights. Studies have shown that the blue wavelength in light increases the overall growth of plants. LEDs that contain some amount of green or white light are the best for growing plants with no nutrient deficiencies, while their prices ranges by power and design; 300 watt lights cost around $595, 450 watts $745, 600 watts costs $895, 750 watts costs $1,245, while 1000 watts costs $1,499.99. There is range in which a plant’s needs are best met. Let’s talk about the size of your grow. Kind LED say you can. Metal halide bulbs consume more energy than a LED Fixture and have a higher maintenance cost. Learn how your comment data is processed. You will be buying replacement CMH bulbs after 12-18 months of use. And even if you keep your grow space past 5 years, don’t worry, CMH’s provide a greater gram per watt due to their higher PPF and canopy penetration. HPS grow bulbs produce the yellow-red light ideal for the flowering phase of your grow. It’s an electrical lamp with high-intensity discharge (HID) gas. HID light prices also vary by their wattage – 250watts has a price range of $150-$250, 400watts ranges from $200-$400, 600watts ranges from $300-$500 while 1000watts has a price range of $400-$600. Large metal halides have approximately 15,000 hours while the life expectancy of regular metal halides is … This could be a good thing if your ceiling height is less than 8ft and really need to factor in heat management. HID grow lights are significantly cheaper than LED grow lights, however, they may not perform as well. Copyright © 2017. However, the LED grower will use less power for cooling, but that savings depends on other factors in the grow space. Cannabis Deficiencies – What You Need to Know, Ordering from an Online Dispensary in Canada. Dimlux 630 with square wave is an excellent start. First off, the color and the spectrum at which they operate are very different. They also operate at much higher pressures than the quartz tubes glass tubes of metal halide grow lights. For those who have yet to discover the beauty of the LED, LED bulbs are “Light Emitting Diodes,” where electricity flows through two electrodes ­- … High-Intensity Discharge (HID) lights are a type of electrical discharge arc lamp that produces light by sending an electrical discharge between two electrodes of plasma or ionized gas. Whether you’re a budget grower or a indoor plant enthusiast, there are plenty of options available. HID grow lights are significantly cheaper than LED grow lights, however, they may not perform as well. Grow lights have evolved from heavy magnetic, in-efficient ballasts and bulky reflectors to ultra-efficient dimmable and spectrum tunable Light Emitting Diodes (LED) and Ceramic Metal Halide (CMH) all-in-one fixtures. Noble gas is present in this arc tube and often encompasses appropriate metal or metal salts. I run UBA/B with my led and it outperformed teh chm. It is an electrical light that has quartz in the arc tube which has a big help in the improvement of color rendition. Your email address will not be published. High pressure sodium grow lights produce up to 40% more lumens per watt than metal halide lights, and this then leads to much higher yields when marijuana is flowering. LED vs Metal Halide What are LEDs? Why would I use an HID grow light over an LED grow light? However, ceramic metal halide bulbs run a lot cooler than MH and HPS bulbs by about 8°F. A light emitting diode is an electrical light source that possesses the properties of a semiconductor which in turn emits visible light when a certain amount of electric current passes through it. Your email address will not be published. In addition, it is recommended that you change between the 4100K CMH bulbs in the vegetative phase to the 3100K CMH bulbs for flowering. 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