They’re perfect for growing all kinds of greens like lettuce, spinach, peppers, tomatoes, flowering crops in the vegetative stage and many others. This grow lamp produces plants with extremely tight internodal spacing for nice compact, bushy plants. Sun system LEC 315 light Emitting Ceramic Metal Halide: Best all in one. A 400-Watt metal halide grow light should be mounted at least 7 to 18 inches away from the tops of your plants and can light an area measuring 16 square feet. Great for flowering and fruiting, but not so good for vegetative growth. Metal Halides also produce more pure white light than the HPS lamps, closer to daylight frequencies making it especially useful for growing plants. With that said, we’ve made it clear that CMH has a much better overall spectrum than MH, with higher red and white light overall outputs. If you’re a grower, you’re probably looking into Metal Halide HIDs to give your garden a healthy beautiful green lush. This is something that large-scale growers tend to buy in larger numbers and use in their entire growth setup to get their plants bigger and greener during the first half of their growth cycle. MH grow lights are a very affordable addition to your garden. Protopia’s 1000W metal halide light is among one of the most preferred names when it comes to growers who want to grow commercial-grade weed. Hydro Crunch 630-Watt CMH Ceramic Metal Halide Grow Light Fixture with Built-In Ballast System and 3100K Lamp $ 392 85 Hydro Crunch 315-Watt CMH Ceramic Metal Halide Ballast Conversion Kit with Socket Adapter (7) - sezer66 / Shutterstock. Grower’s choice is the ideal fixture for all your horticultural … The most noticeable point is degradation time. Invented by Charles Proteus Steinmetz in 1912 and used in almost every city in the world. They are made very similarly to Mercury Vapor Lamps with the difference that they contain additional metal halide compounds in the quartz arc tube, in order to improve efficiency and color rendition (CRI). Standard MH bulbs have a total lifetime of around 20,000 hours, but a quick degradation rate. The Metal Halide bulb is an excellent choice for plants growing VEGETATIVELY. A little more about me. When I first started growing, I made the mistake of … Theoretically, because of the nature of how they produce light LED technology is superior to any HID technology because it can target (as necessary) any part of the Photosynthetic Response Spectrum specifically without outputting under-utilized light and wasting energy. Grower’s Choice 630NS Lighting Fixture. HORTILUX Metal Halide out performs most grow lamps because of high initial light intensity and consistent output of the exclusive EYE HORTILUX spectrum. An important thing to take into account when choosing a ballast for your MH bulb, is that their color temperature will be affected by the characteristics of the electrical system powering the bulb and manufacturing variances in the bulb itself. Here is more about our approach. This means they’re great for making your plant produce dense and lush canopies with very little internodal spaces. Metal halides are a type of HID lamp widely regarded as one of the best grow light alternatives for growing greens. One thought on “LED Grow Lights vs Ceramic Metal Halide Grow Lights: Which is Better?” Hillary February 24, 2019 at 8:08 am My best choice would be LED Grow Lights only because i am a very busy grower and LED lights get the job done for me when i cannot manage all too much. CMH grow lights also go by the name Ceramic Discharge Metal Halide (CDM), the lights use ceramic technology and they have the qualities of metal halide and HPS grow lights. HPS lights are about twice as efficient in terms of power use as metal halide lights, so in other words, they run cooler and they cost you much less money to run as well. For comparison purposes, the only disadvantage I can think of CMH over MH is the initial cost. Keep track of … It is a type of high-intensity discharge (HID) gas discharge lamp. MH bulbs are also very good at stopping stretching. A CMH grow light is like a Metal Halide (MH) bulb, but while a MH bulb uses a standard quartz arc tube, CMH is built with a ceramic arc tube. Item #1100158. Epic Gardening occasionally links to goods or services offered by vendors to help you find the best products to care for plants. With the 600 and 1000 watt bulb sizes being the most efficient ones. Metal halide lights produce the blue light spectrum marijuana plants need to grow big and strong. A metal-halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides (compounds of metals with bromine or iodine). Which is less than the 24,000 Hours that CMH are rated for. The HID lighting category includes metal halide (MH) and high pressure sodium (HPS) lights. Compare; Find My Store. Some of these may be affiliate links, meaning we earn a small commission if items are purchased. Before we see and compare the spectrum of a Metal Halide HID, please look at the following chart: This is the average plant response spectrum chart by McCree. There really is no contest between these HID lights, it would be unfair to compare the two. See how plants use light throughout the whole PAR range? $197.00$197.00 $218.99$218.99. As an Amazon Associate, I earn from qualifying purchases. A CMH uses a ceramic arc tube similar to those used in HPS grow lights instead of the quartz used in traditional metal halide grow lights. Metal halides have come a long way, a few years ago they were not usually rated for universal positioning, you needed to carefully follow the manufacturer’s advice to decide how to hang your reflector and bulb. 6. They don’t have it all, though. Now, this is the light spectrum of the average Metal Halide grow light: Notice the those peaks in the Blue, green, yellow and orange? Although with different relative absorption rates all colors are used. In fact, touching a bulb that has been running for a long time can result in serious burns. It provides bright white light, resulting in LUSH, COMPACT VEGETATIVE PLANT GROWTH! iPower 315 Watt CMH Grow Light Bulb (2017 Version) Ceramics Metal $54.99 New "EyeHortilux 901796 Daylight Metal Halide Lamps, 1000-watt, Blue" (5) But not anymore. Luxx Lighting CMH 315w 120-270v Grow Light Fixture - Full Spectrum Bulb Included Therefore, as the leader, […] GE CMH20/TC/U/830/G8.5 Constant Color Metal Halide Replacement lamps T4.5 controlled by M156 Ballast Brand: General Electric Lamp type: High Intensity Discharge - Ceramic Metal Halide Hi, I'm Kevin. Compare; Find My Store. HID grow lights like Metal Halide and HPS (High Pressure Sodium) are the most widely-used and debatably the highest-yielding grow lights available for growing cannabis. They are both good at what they’re used for. It is more expensive than other competing CMH bulbs in the market. Traditionally gardeners would use the Metal Halide fixtures for vegetative growth and the High Pressure Sodium (HPS) fixtures for flowering. They’ve been around since the early 60’s and have been further developed for several applications like car headlamps, street lighting and our favorite: Growing lush greens! The Difficulty in Choosing the Right Grow Light. Metal Halide (MH) MH lighting is one of the most popular choices for vegetative growth among indoor gardeners. Sun System is a champion … For example, a 400w MH bulb may output around 85 lumen per watt consumed, while 600w bulbs output around 100 lumen per watt. Model #93101230. 80-in 2-Light Multiple Colors/Finishes 480-Watt LED LED Grow Light. We’ll compare them to other grow light alternatives such as HPS, Ceramic MH and LEDs to help you decide whether they’re a good addition to your garden as your main or supplemental light source. A metal halide lamp is an electrical lamp that produces light by an electric arc through a gaseous mixture of vaporized mercury and metal halides. SUNMASTER growlamps and fixtures were developed by Venture Lighting International to provide optimized lighting solutions for a variety of plant growth applications. I created Epic Gardening to help teach 10,000,000 people how to grow anything, no matter where they live in the world. This gives you the most flexibility. Metal Halide grow lights are best used for vegetative growth. For ease of use, It is recommended getting a ballast that is digital, dimmable, and supports both HPS and MH bulbs. Here are the average lumen output form different Metal halide grow lights: 150 W -> 12,000 lumen = 80 l/W; 250 W -> 21,000 lumen = 84 l/W; 400 W -> 36,000 lumen = 90 l/W CMH grow lights also run cooler, and produce a lot more PAR light when compared watt per watt. That’s theoretically. Hydro Crunch 315-Watt Ceramic Metal Halide CMH Enclosed Style Grow Light System (10) Model# CMH02-315-ROPE $ 146 82. Here is the spectrum of an HPS grow light for comparison: Notice how most of the light from an HPS comes out as red, orange, yellow and green, with very little light in the blue part of the spectrum. This allows the plant to produce large colorful fruits and flowers. Here are a few notes I’ve gathered about metal halide footprint and light coverage: The most efficient bulb size for HID lights, producing the highest PAR per watt consumed. Usually they’re rated with a high lumen output of around 100 lm per watt, a lamp life of up to 20,000 hours and pretty decent degradation rates. Some manufacturers mix the metal-halide technology with others to improve light output and add a few variations into the color spectrum for a more complete solution. Metal Halide grow lights have been in the market long enough to prove themselves as one of the favorite go to grow lights for growing plentiful, beautiful and nutritious green canopies. Model #TKLED-48X48X80. Like fluorescent lamps, HID lamps produce light by the excitation of a gas confined between a pair of electrodes and require a ballast to limit current draw and to provide proper starting and operating voltages. The most commonly used sizes for indoor and supplemental lighting are 400, 600, 1000 watts. This makes them a valuable addition to our gardens. Even though, there’s still a place for metal-halides in your garden. This is one of the advantages of Metal Halide HID versus other light sources, they actually output a broad spectrum of light that plants can use to grow healthy.​. Metal Halide lights are used during the vegetative growth stage of cannabis plants that are grown for medical marijuana. Nowadays most high quality metal-halide bulbs are rated for universal positioning. Hydro Crunch 630-Watt CMH Ceramic Metal Halide Grow Light Fixture with Built-In Ballast System and 3100K Lamp. This is a summary of the most important information you’ll need when choosing a ballast for your metal-halide light. check out our more detailed ballast guide by clicking here, check out my in-depth article on ceramic metal halide lights, Best Pruning Saws: Hand, Folding, Tree, and Electric, 30+ Creative and Doable Alternative Housing Ideas, Proven and accessible solution to grow your greens​, Significantly improved spectrum with a well needed boost in the reds over MH. They’re perfect for growing all kinds of greens like lettuce, spinach, peppers, tomatoes, flowering crops in the vegetative stage and many others. Metal halides have very low output in the red part of the spectrum, which is one of the dominant requirements of fruiting and flowering crops. As you can see, the light output of a MH lamp is very balanced, it also includes a fair amount of UV light, all of this combined enables their use as an all-around solution for growers. According to some gardeners, flower volume and fruit weight can increase by as much as 20 percent when using HPS lights for flowering. Now we can understand why they’re so often seen in gardens, because their balanced spectrum is something plants love growing under. A big advantage of LEDs over metal-halide grow lights is their significantly lower heat output. Metal halide grow lights are about five times as energy efficient as an incandescent bulb, with a usable life span of about two years of 18/hour daily use. That’s where the color of Metal Halide light is determined. Limited time deal. 4.75-in 1-Light White 9-Watt Br30 LED Grow Light. This article contains incorrect information, This article is missing information that I need. If you want to learn more, you can check out our more detailed ballast guide by clicking here. HIGHER LUMEN OUTPUT = MORE PLANT GROWTH & HIGHER TOTAL YIELDS. Blue light is easily absorbed by chloroplasts in the cells and helps the plants generate more chlorophyll as well. High quality electronic ballasts can usually detect what kind of bulb they’re running and adjust accordingly. While you're here, why not follow us on Facebook and YouTube? Eye Hortilux CMH 315 Grow Light System Ceramic Metal Halide LEC 120/240V 315 Watts. HPS growers usually add MH lights into their gardens to supplement light in the blue spectrum and keep their flowering crops from stretching in the different plant growth stages. Grow Co. 630w Ceramic Metal Halide is one of the most popular CMH lights in the market. Buy it Now The inverse is true for an overpowered bulb, but this condition can be hazardous, leading possibly to an explosion because of overheating and overpressure. HTG Supply Air Cooled 400-Watt Ceramic Metal Halide (CMH) Complete Grow Light, Bulb Included - 120v $238.95$238.95 $32.13 shipping Only 18 left in stock - order soon. HPS bulbs also tend to have slower degradation rates. Metal Halide lights are well-suited to the vegetative stage and tend to encourage plants to grow short and squat though they are less electrically efficient than HPS. We're always looking to improve our articles to help you become an even better gardener. Ceramic Metal Halide grow lights are basically a variation of MH grow lights with a little of HPS added into the mixture. Metal Halide grow lights are best used for vegetative growth. Blue Spectrum Grow Lamps for Vegetative Growth. Home » Metal Halide Grow Lights Explained and Reviewed. More PAR on its bulbs than many other HPS grow lights, Great UV light for production of more resin and metabolic activity, The bulb deteriorates faster than other models in the market, The trade name is a trusted name in the industry, Comes with a long warranty of three years, Suitable for both vegetative and flowering stages, Compared to other lights, it is less durable. Prism Lighting Science Ceramic Metal Halide : The Best and Most Versatile CMH Kits. For a more detailed look, check out my in-depth article on ceramic metal halide lights. Covering a 25 square foot area, a 600-Watt MH grow light should be at least 10 to 27 inches above your plants. This will prolong the bulb’s lifetime and color rendition. High Pressure Sodium bulbs on the other side are great when it comes to increasing your flower output and fruit growth. Should I Purchase a High Pressure Sodium or Metal Halide Grow Light? FREE Shipping by Amazon. With the proper hanging height these reflectors can effectively cover a 2’x4’ all the way through a 4’x4’ grow area. TopoGrow 315W CMH CDM Grow Light Kit W/3100K Bulb& Horizontal Ballast 120V-240V&Enclosed Reflector... 315w CMH Grow Light Kit- LEC Ceramic Metal Halide High Performance Package - HID Wing Reflector,... Grow Co. 630W Ceramic Metal Halide CMH Fixture w/... VIVOSUN 315W Ceramic Metal Halide CMH/CDM Grow... VIVOSUN 315W Ceramic Metal Halide CMH Grow Light... TopoGrow 315W CMH CDM Grow Light Kit W/3100K Bulb&... Hydro Crunch CMH02-315-ROPE 315-Watt Ceramic Metal... Sun System LEC 315 120v Light Emitting Ceramic... 315w CMH Grow Light Kit- LEC Ceramic Metal Halide... Philips HGC901575 Master GreenPower Elite Agro... Best CFL Grow Lights for Growing Cannabis, Yueme 1500 Watt COB LED Grow Lights Reviews, Best Par Light Meter For Indoor Gardens Reviews, Dimgogo 3000w Full Spectrum LED Grow Light Review, 101 of Best HPS Grow Lights (High Pressure Sodium) Reviews, MARS HYDRO TS 3000W LED Grow Light for Indoor Plants 4x4 5x5 ft Commercial Grow Lighting Daisy Chain and Dimmable Full Spectrum Plant Growing Light IR Sunlike Led Grow Lamp for Greenhouse 1016pcs LEDs, SPIDER FARMER SF-2000 LED Grow Light 2x4 ft Coverage Compatible with Samsung LM301B Diodes & MeanWell Driver Dimmable Grow Lights Full Spectrum for Indoor Hydroponic Plants Veg Bloom 606pcs LEDs, King Plus 3000W LED Grow Light Full Spectrum for Greenhouse and Indoor Plant Veg and Flower (Dual-Chip 10w LEDs), King Plus UL Series 4000W LED Grow Light Full Spectrum Plants Lights for Indoor Veg and Flower Growing Lamp(1240 Samsung LED Chips), HLG 550 V2 Rspec 500w 120 Volt- Horticulture Lighting Group Quantum Board LED Grow Light | ETL/UL Certified, Samsung LM301H, Inventronics Driver, 10 Best Soil for Growing Marijuana Indoor Reviews, How To Grow Weed Hydroponically For Beginners: A Step-By-Step Guide, Has better cri than many other products in the market, Reflector applications that allow the crops to get optimal light coverage, Its low frequency ballast is specifically designed for CMH bulb technology, The grow light is very bright and you require protection glasses because of the UV light, For those opting to use 120 volts, the light does not come with a 120v power cord, It has a slow restart, which is not a major problem for majority of the users, Reputable company, which many growers trust for quality and reliability, Ideal for vegetative and flowering stages, It is a modern version of the older VIVOSUN 315W CMH grow light, High quality Italian Vega aluminium material for more yields, Has low power consumption making it an energy efficiency lighting system, Good for both vegetative and flowering stages, Has a shorter lifespan compared to other lights in the market, Comes with an all in one construction making it more com-act than many other CMH lamps, Bulb hangs vertically which gives it a more light spread compared to horizontal bulbs, Has a 315W Phillips bulb that comes with 33,000 lumen, Comes with reflective material that allows the crops to get optimal output and an even light distribution, It is more expensive than other competing CMH bulbs, The bulb is from a reputable firm thus you can trust its quality and efficiency, Great for the flowering and vegetative stages. They’re both great for what they do. I personally use 250w Hortilux Blue and 400w Hortilux Blue halide lights in my grow room. Get it as soon as Thu, Aug 13. The lights use ceramic arc t u bes very similar to the tubes in HPS grow lights. As a general rule of thumb, HID grow lights like Metal Halide (MH) and High Pressure Sodium (HPS) are most suitable for relatively larger grows where there is at least 5 feet (1.5 meters) of height in the grow space, though it’s recommended to use a taller space for the best results.This is because MH/HPS lights have to be kept fairly far from the plants. Metal halide lamps belong to a family of high intensity discharge (HID) lamps that includes mercury-vapor and sodium-vapor lamps. Because of the nature of the processes that produce light within these lamps, they output significant heat into their immediate area. MH advantages over LED can then be summarized as follows: This is a quick take on MH vs. CMH lights. But in the real world, that perfect and affordable LED solution is still on the works. So that’s can be said that CMH is a mix between MH and HPS. This is similar to the material used for HPS grow lights. Metal Halide Lamps - 250, 400, 600 & 1000 Watt Metal Halide Grow Lamps. When Should You Use a Metal Halide Grow Light? Listen to this post on the Epic Gardening Podcast, Subscribe to the Epic Gardening Podcast on iTunes or Spotify. Stretching happens for many different reasons, mainly because the plants are not receiving enough light or because they’re not receiving enough blue light. Plants need a light source that integrates the whole spectrum, not a mixture of red and blue as commonly thought of. Fast Shipping! This can already be seen in the plethora of LED grow light products in the market boasting their comparatively passive operation, which is usually not possible when running a metal halide-bulb. 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