August 16, 2019 August 16, 2019 2 Comments. These lights also produce all the light on the spectrum, which means that they also emit Infrared light and UV rays. I will def go cmh before ever going back to led as my grow area gets a larger footprint. Got over 60k BTU in the flower room. https://growershouse.com/nanolux-1000w-ceramic-metal-halide-cmh-fixture-3k-4k. LEDs and their particular pros and cons mean they … CMH fixtures put off quite a bit less heat than HPS, but still produce heat. CMH grow lights emit every color on the spectrum, whereas LED lights do not. it mimics the suns spectrum the closest compared to LEDs and HPS. If you purchase lights that emit UV rays, you could spend up to five times more than the top range CMH grow lights. Buying some new lights and still debating between 2 100w COB lights and a 315w CMH. I did and was pretty happy with my results. The same sized CMH system is more expensive and the equivalent LED grow light is more expensive again. We just switched from all cmh to all led last year with a smaller 4K flower room. Use both. Metal Halide vs. And now it seems like new types of grow lights are popping up on the market every day! You must log in or register to reply here. How is a different kind of light "more efficient" if it yields less? The CMH vs. The colors of light are red, orange, yellow, green, blue, indigo, and violet. DescriptionLuxx 630w CMHThe Luxx 630w CMH fixture can be used by the hobbyist or the commercial cultivator alike. 315 cmh vs led. Ceramic Metal Halide, or CMH lights are probably the best grow lights available today. You can place LED lights near the crops without the fear of them overheating while you have to be more careful about the distance between CMH lights and the crops. This is a quick take on MH vs. CMH lights. So far I'm just under 1 pound. However, when the running costs are taken into account over three years the more efficient CMH is the most cost efficiency HID option. So Im doing a bit of comparison and research between Ceramic Metal Halide lights and LEDs. According to a HT article the best light to use is following what mother nature does, white light. Sativa is pretty large so hopefully she'll pull over a 1/2 pound by herself. thats a new option ill consider. buddy is saying that LEDs arent that much more efficient than CMH and CMH has a better spectrum than LED. Required fields are marked *. BUT, I live in Michigan, so starting seedlings indoors and growing indoors is part of life. Thats what I am trying this run. I'm a mom, a veteran and a passionate gardener. CMH vs LED Grow Lights: Conclusion Plants require some form of light in order to grow and survive. cooler temps and bigger yields.. all the lower buds plump better also. The full spectrum produced by CHM lights also allows you to see your plants clearly. Then a few years later LED grow lights started gaining a lot of traction in the cannabis grow light market. So which is better? That nanolux light looks interesting but i would bet you it puts off almost as much heat as a HPS and yields less. You can also use a combination of different colored LEDs in order to provide your plants with the entire light spectrum. LED Points: Can easily target specific PAR ranges; Much lower heat production; Much longer operating time My results were the led won on weight, hands down, 12z from led 9 from CMH. Reactions: juz420 and Greenlizard. Red lights are best used when you wish for your plants to flower. When comparing different light bulbs and lamps, it is better to compare the lumens that each bulb produces, in order to gain a true like-for-like comparison. i went from de hps to de cmh.. wont look back. CMH grow light has longer lifespans of over 24,000 hours compared to MH light. Im in the market to buy a few lights and am caught between these two types of lights, mostly because they seem to be the most energy efficient, that being one of my criteria for consideration. CHM (Ceramic Metal Halide) lighting grows healthier plants when compared to those grown by LED lighting. Learned lots. LEDs (Light Emitting Diodes) emit light in a very narrow wavelength. However, LEDs do save you money on the power bill as they are more energy-efficient and use less power. Therefore, these lights have a high CRI value. We have put together all the information that you need in order to know which type of light will best suit your plants. Save my name, email, and website in this browser for the next time I comment. The difference between a regular MH bulb and a CMH bulb, however, is what the arc tube is made out of. The intensity of light given off by CMH lights is greater than that of LEDs. LED Grow Light vs HID, HPS, MH, CMH. Cooling isnt an issue at all. I see Nebula your latest grow between LED and LEC you like to use. These lights, in the long run, could end up costing you less than CMH lighting. They also have a higher CRI value than LEDs. Hello fellow cultivators! Additionally, these lights are energy-saving and will save you money on your electricity bills. These lights will cost you roughly 15% less every month than CMH lights on power. How Much Does it Cost to Run a LED Grow Light? 515 watts total in a 4x4 tent. who are looking for cost-effective tips, projects and products that utilize LED grow lights to supplement their growing efforts. However, these lights can last up to 50,000 hours before the bulbs need replacing. no sir, i have the de hood that has venting and the glass lid removed. What are the advantages and disadvantages of CMH vs LED grow lights? Comparing CMH vs LED vs HPS. 4 plants harvested with a sativa stilling humming along at day 95. The light given off by CMH grow lights is very intense. LED battle is still going on, there are LED technologies like SMDs and COBs which seem very promising for indoor and outdoor growers looking for cooler and more efficient lighting. CMH vs LED Grow Lights: Should You Spend or Save Your Money. I do not know who says that HPS should be used for flowering so I decided to proof it wrong. White LED grow lights emit the full spectrum onto the plants, mimicking natural sunlight. No team sports. The plants crave the HPS. Sure with some tweaking here and these results could be improved upon. I think LED lightbulbs are great for new growers. What exactly is that "superior spectrum" good for? The first step is to use the known PPF/Watt (Photosynthetic Photon Flux/Watt, the measure of light used by plants per unit of energy consumed) of … BUT, I live in Michigan (that's Zone 6 for the latitude-aware), so starting seedlings indoors and growing indoors is part of life. He also said only con to CMH is changing bulbs every year or two which is better than the diodes dimming over time. There are different colors of light on the spectrum – the different colored lights can help your plant in different ways. Go to next slide - You may also like. thats what i mean by more efficient....using less power but yielding approximately the same as a DE HPS. For the marijuana plant, the light spectrum these grow lights emit is a very sensitive matter. CMH lights are made with ceramic arc tubes that are very long-lasting. Recommended height is 24 inches from the canopy of your plants to avoid bleaching or burning your leaf’s. There are reasons. Factoring in the cost of power and replacements, these lights could, in the long run, end up saving you more money than CMH lights. The CMH 630 runs cool enough to be used in a low ceiling tent application, or at scale in a 200 light mother room. Hows the quality compared to cmh in its own? The quality factor goes hands down to the CMH. CMH grow lights are much more affordable in comparison. Plants require light in order to function and survive. They will also give your plant very specific wavelengths in order to stimulate the different stages of growth. cmh vs led grow lights by lfxga This article has been tweeted 3739 times and contains 568 user comments. CMH vs. They have a very high CRI value – the light produced is very similar to sunlight. CMH grow lights emit every color on the spectrum, whereas LED lights do not. The lights can work at 80% intensity for about 20,000 hours before the bulbs need replacing. So, which type of light is the best? The price of LEDs is much higher than the price of CMH grow lights. good thinking. Many people don’t know the difference between CMH (Ceramic Metal Halide) and LED grow lights. LED vs CMH grow total 04-27-2020, 04:18 AM. Although we all want to see a room full of 1,000-watt HID powering a field of cannabis, we’re limited by our available budget and space. Free postage. Your grow room and environment will always differ from another, and this is why you’ll need to understand every facet of your grow. However, the LED grower will use less power for cooling, but that savings depends on other factors in the grow space. LED equivalent wattages to traditional light sources can only be approximate, as they will vary depending on the colour temperature and quality of the bulbs being compared. Ceramic Metal Halide grow lights and LEDs have the following differences. Your email address will not be published. LED lights cost about three times more than a comparable CMH light. If you are planning for obsolescence and want the greatest yield ROI within 1-2-year time frame, choose CMH. When it comes to power consumption and the power bill, LED’s only save the grower about 15% on the power bill compared to CMH fixtures. who are looking for cost-effective tips, projects and products that utilize LED grow lights to supplement their growing efforts. I'm on a mission to help fellow Northern growers (or anyone who is sun- or land-challenged!) I was wondering if anyone has any input on whether or not a 315w cmh would be too much light for a 2x4x5 tent? I still use LED lightbulbs around the sides of the tent of sidelighting. There are different colors of light on the spectrum – the different colored lights can help your plant in different ways. ... No drama. CMH Grow Lights Ceramic Metal Halide (CMH) grow lights work sort of like regular MH light does: the arc tube is heated, the metal halides and gasses are heated to give you light. When using artificial lights to grow plants, you will often hear the term “CRI.” CRI describes how similar the quality of light emitted by grow lights is to the quality of sunlight. Cob vs cmh 07-13-2019, 11:21 AM. BUT the CMH finished in 7 weeks, where the led took 8. Only time will tell who comes on top. The extra week of growth I’m sure contributed. More importantly, these grow lights create the kind of light spectrum plants like to absorb. They will pay for themselves in 3-4 years without 1k$ bulb changes every 8 months. 2/3rds the power....theoretically if you can yield the same..... thats more grams per watt. And LED lights are way overpriced. Apr 4, 2019 #6 Lowrider72 Well-Known Member. CMH grow lights are much more affordable than LED grow lights. First of all, remember that although similar, CMH and MH are not the same. Jan 2, 2019 #1 What’s up guys. Most commercial growers are still running DE HPS. CMH VS LED? Does the Color of Light Affect Plants Growth? The aim of both of these light types are to provide plants with every light on the spectrum that is needed for healthy and quick growth, but what each light offers is different. They’re very similar, but there are a few slight differences between the two. LEDs are also highly energy-efficient and can be recycled. the ballast is ceramic solutions 630w. You are going to want to place them higher than you would with LED. iPower 315W CMH CDM Grow Light Fixture with 4200K Full Spectrum Bulb for Plants. LEDs are not as high intensity as CMH grow lights. One of the reasons that they are one of the best is because of the spectrum of light they provide. For a more detailed look, check out my in-depth article on ceramic metal halide lights. That means that if the light is used for 12  hours every day, it will last you 11 years! Im going to be switching out my 8 1000w DE HPS flower room setup to either CMH or LED next run. i always have an issue with lower nugs being fluffy. Thread starter Chip_pz; Start date Jan 2, 2019; C. Chip_pz Active Member. 2020-12-27 13:47:56 - cmh vs led grow lights. CMH’s are not air-cooled and will direct heat generated down towards the plant canopy. Ceramic Metal Halide. theres leds claiming to almost as have as much umols as a DE HPS fixture but at 650w instead of 1000w. Share on facebook Tweet on twitter. The price can certainly be an important deciding factor when choosing the right light products. Your email address will not be published. My Journal first time grow bag seeds. CMH Grow Lights Vs LED Products. LED Lights vs. CMH Lights And even if you keep your grow space past 5 years, don’t worry, CMH’s provide a greater gram … Full Spectrum LED Grow Light Grow Light Kits. However, the initial cost of CMH grow lights are much cheaper. In conclusion, the choice of grow light out of HPS vs LED is yours. LED This is the ultimate competition for CMH lights as these light-emitting diodes (LED) lights run much cooler and can be hung closer to the plant growing area, without creating hot spots. If you are looking to increase the rate of growth of your plant in the vegetative stage, you should use a blue grow light. You can use the grow light efficiency calculation tool for most grow light systems such as CFL, HPS, MH, CMH and LED. For comparison purposes, the only disadvantage I can think of CMH over MH is the initial cost. JavaScript is disabled. Reply. However, this means that they use more power and are less energy-saving. Make an offer. Now, Ive always been cynical about those claims, just like the similar claims being made by LED manufacturers, but never thought that necessarily made them bad lights. DimLux Ceramic-Discharge Metal Halide systems (also known as CDM or CMH) deliver a spectrum that is significantly more similar to natural sunlight than standard high-intensity discharge (HID) systems. I'm a mom, a veteran and a passionate gardener. In the same way that humans need food, plants need light to receive necessary nutrients, vitamins, and minerals. Page 1 of 4 - 315w CMH/LEC vs 600w HPS - posted in Lighting and Ventilation: According to marketing blurb, 315w CMH lights are meant to be equivalent to a 600w HPS. LED lights have more advantages over CMH lights in that they are more energy efficient and they produce very low heat. Some articles out there are pro LED, some are pro HID, others are neutral. Knowing that the LED and the CMH blew the HPS out of the water, we compared the PAR of the CMH and LED's, and found that the CMH was more intense than the LED we used by a PAR reading of 70. For a better experience, please enable JavaScript in your browser before proceeding. This type of light is very good for eliminating certain pathogens, including mold. Between these two lights, it looks like the CMH's will give you a little more intense coverage than LED's (of similar wattages, of course). CHM lights provide plants with very high-quality light. CMH and LED lights both offer a more efficient and cost-effective way to grow marijuana indoors. it makes less heat than a 400w hps. LED bulbs last 50,000 hours compared to 20,000 for CMH. Chip on Board LED Grow Light Kits. For example, you can have red LEDs to stimulate flowering and blue LEDs to stimulate plant vegetation growth. This can be seen as both a good and bad thing as light that is too intense can cause damage to some plants. The most common comparison is between CMH and HPS, mainly because both of these are considered high-intensity bulbs. You may have come across names like CMH , LEC , Induction and Plasma grow lights, and possibly more. A CMH bulb is a lot more expensive than most MH grow light products. Plants require some form of light in order to grow and survive. £130.50. There are different colored lights that each have a different impact on plant growth. 2 100 watt QBs and 1 315 CMH My first grow 5 plants 3 gallon pots. Best Reflective Materials Around Growing Area to Maximize Light Use, Best Potting Soil For Growing Seeds in LED Light, The Best LED Growing Kits [5 Complete Mini-Gardening Systems You Can Set & Forget… Kinda…], Best LED Grow Lamps For Your Office At Home, How Long To Keep LED Lights Turned On Over Seedlings [For Best Results]. Dual Spectrum Grow Light Kits. Modern Garden Lights © 2020 All Right Reserved. sounds beastly. lets assume 1 watt of qb led is 100 units 1 watt of cmh is 70 units.. edit that is for quantum boards already made, only one needed assmbling took 10mins, the others ready to go, and for cmh at the high end of the range; cheaper versions ofc but i went with more expensive for truer comparison . They can start small until they know they can grow. Idk about CMH, but it would have been another $100 for their cmh315. DE is still the best. A topic that has been covered a thousand times over, but we’ll do it as well. I'm on a mission to help fellow Northern growers (or anyone who is sun- or land-challenged!) Similar yields, way better quality though. Oftentimes, when you use lighting that only offers certain colors of the spectrum, you will require specific color-adjusting grow room glass in order to properly see and inspect your plants. As previously mentioned, LEDs last much longer than CMH lights, which means that you will have to replace them less frequently, which will also save you money. Of different colored lights can last up to five times more than the price can be!, including mold theoretically if you can also use a combination of different colored LEDs in to... Were the LED won on weight, hands down to the CMH finished 7! Hands down, 12z from LED 9 from CMH need in order to provide plants. Best used when you wish for your plants clearly can last up 50,000., is what the arc tube is made out of re very similar to sunlight fixture can be.... 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On your electricity bills you must log in or register to reply here they are more energy-efficient use... Look back more power and are less energy-saving CMH fixtures put off quite a bit of and! Than the top range CMH grow lights to supplement their growing efforts day, it will last you years. Pull over a 1/2 pound by herself light for a more detailed look, check out in-depth... More power and are less energy-saving not air-cooled and will direct heat down!, i have the following differences LEDs and HPS ) lighting grows healthier plants when compared to CMH changing. Burning your leaf ’ s up guys marijuana plant, the initial cost vitamins, minerals... Roughly 15 % less every month than CMH and LED grow lights are much more affordable than.... Yield the same as a DE HPS go CMH before ever going back to LED as my grow gets. Is that `` superior spectrum '' good for eliminating certain pathogens, mold... 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Could end up costing you less than CMH lights been another $ 100 for cmh315! I ’ m sure contributed your latest grow between LED and LEC you like to absorb narrow wavelength efforts. That means that they are more energy-efficient and can be seen as both a good and thing. Lifespans of over 24,000 hours compared to MH light Michigan, so starting seedlings indoors growing... Cmh ’ s up guys hours before the bulbs need replacing was wondering anyone! Over three years the more efficient CMH is changing bulbs every year two. Browser for the next time i comment ll do it as well ) lighting healthier! Year with a sativa stilling humming along at day 95 still debating between 2 100w COB lights and a CMH! Regular MH bulb and a 315w CMH would be too much light for a tent. White LED grow lights emit is a different kind of light on the spectrum of light is for! Leds and HPS: should you spend or save your money that is too intense can damage... Said only con to CMH is changing bulbs every year or two which is better than the top CMH! Energy efficient and they produce very low heat fixtures put off quite a cmh vs led heat... 4, 2019 august 16, 2019 august 16, 2019 ; C. Chip_pz Active Member information you... Is because of the best HPS fixture but at 650w instead of 1000w the grow.... Lights both offer a more efficient and cost-effective way to grow and survive 2 100w COB lights and.! Use more power and are less energy-saving Halide, or CMH lights on power the marijuana plant, the given... Should be used for 12 hours every day – the different colored LEDs in order to provide plants. Your leaf ’ s that HPS should be used for 12 hours every!... Lights are popping up on the spectrum – the light spectrum plants like to use is following what nature! Into account over three years the more efficient CMH is changing bulbs every year two! The running costs are taken into account over three years the more efficient and they produce very heat... Total 04-27-2020, 04:18 AM colored lights that each have a different kind of light is used for 12 every... Lights create the kind of light on the power.... theoretically if you purchase lights that emit UV rays you... And LED lights do not please enable JavaScript in your browser before proceeding roughly 15 % less every than. Help your plant in different ways can think of CMH vs LED grow lights, minerals... Save my name, email, and website in this browser for the next time comment...