CMH and LED lights both offer a more efficient and cost-effective way to grow marijuana indoors. We have put together all the information that you need in order to know which type of light will best suit your plants. 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. The CMH vs. That nanolux light looks interesting but i would bet you it puts off almost as much heat as a HPS and yields less. i always have an issue with lower nugs being fluffy. The colors of light are red, orange, yellow, green, blue, indigo, and violet. So far I'm just under 1 pound. They will pay for themselves in 3-4 years without 1k$ bulb changes every 8 months. 2020-12-27 13:47:56 - cmh vs led grow lights. Metal Halide vs. Idk about CMH, but it would have been another $100 for their cmh315. Cob vs cmh 07-13-2019, 11:21 AM. They have a very high CRI value – the light produced is very similar to sunlight. 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. Ceramic Metal Halide grow lights and LEDs have the following differences. Full Spectrum LED Grow Light Grow Light Kits. CHM (Ceramic Metal Halide) lighting grows healthier plants when compared to those grown by LED lighting. I think LED lightbulbs are great for new growers. Buying some new lights and still debating between 2 100w COB lights and a 315w CMH. sounds beastly. Go to next slide - You may also like. https://growershouse.com/nanolux-1000w-ceramic-metal-halide-cmh-fixture-3k-4k. Does the Color of Light Affect Plants Growth? Only time will tell who comes on top. What are the advantages and disadvantages of CMH vs LED grow lights? CMH lights are made with ceramic arc tubes that are very long-lasting. A CMH bulb is a lot more expensive than most MH grow light products. LEDs and their particular pros and cons mean they … 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. Apr 4, 2019 #6 Lowrider72 Well-Known Member. LED lights cost about three times more than a comparable CMH light. LED Lights vs. CMH Lights More importantly, these grow lights create the kind of light spectrum plants like to absorb. LEDs are not as high intensity as CMH grow lights. Your email address will not be published. LED lights have more advantages over CMH lights in that they are more energy efficient and they produce very low heat. 2/3rds the power....theoretically if you can yield the same..... thats more grams per watt. The light given off by CMH grow lights is very intense. We just switched from all cmh to all led last year with a smaller 4K flower room. Chip on Board LED Grow Light Kits. If you purchase lights that emit UV rays, you could spend up to five times more than the top range CMH grow lights. These lights also produce all the light on the spectrum, which means that they also emit Infrared light and UV rays. Then a few years later LED grow lights started gaining a lot of traction in the cannabis grow light market. who are looking for cost-effective tips, projects and products that utilize LED grow lights to supplement their growing efforts. i went from de hps to de cmh.. wont look back. theres leds claiming to almost as have as much umols as a DE HPS fixture but at 650w instead of 1000w. For a more detailed look, check out my in-depth article on ceramic metal halide lights. BUT the CMH finished in 7 weeks, where the led took 8. They’re very similar, but there are a few slight differences between the two. 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. iPower 315W CMH CDM Grow Light Fixture with 4200K Full Spectrum Bulb for Plants. JavaScript is disabled. LED bulbs last 50,000 hours compared to 20,000 for CMH. 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. Make an offer. The price of LEDs is much higher than the price of CMH grow lights. There are different colors of light on the spectrum – the different colored lights can help your plant in different ways. 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. One of the reasons that they are one of the best is because of the spectrum of light they provide. Recommended height is 24 inches from the canopy of your plants to avoid bleaching or burning your leaf’s. The most common comparison is between CMH and HPS, mainly because both of these are considered high-intensity bulbs. Required fields are marked *. For comparison purposes, the only disadvantage I can think of CMH over MH is the initial cost. CMH vs LED Grow Lights: Should You Spend or Save Your Money. For example, you can have red LEDs to stimulate flowering and blue LEDs to stimulate plant vegetation growth. buddy is saying that LEDs arent that much more efficient than CMH and CMH has a better spectrum than LED. Ceramic Metal Halide. You may have come across names like CMH , LEC , Induction and Plasma grow lights, and possibly more. For a better experience, please enable JavaScript in your browser before proceeding. Some articles out there are pro LED, some are pro HID, others are neutral. Sure with some tweaking here and these results could be improved upon. However, LEDs do save you money on the power bill as they are more energy-efficient and use less power. CMH grow lights emit every color on the spectrum, whereas LED lights do not. 4 plants harvested with a sativa stilling humming along at day 95. I'm on a mission to help fellow Northern growers (or anyone who is sun- or land-challenged!) 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. According to a HT article the best light to use is following what mother nature does, white light. There are reasons. I still use LED lightbulbs around the sides of the tent of sidelighting. The full spectrum produced by CHM lights also allows you to see your plants clearly. Learned lots. Got over 60k BTU in the flower room. However, the initial cost of CMH grow lights are much cheaper. cmh vs led grow lights by lfxga This article has been tweeted 3739 times and contains 568 user comments. Sativa is pretty large so hopefully she'll pull over a 1/2 pound by herself. My results were the led won on weight, hands down, 12z from led 9 from CMH. I see Nebula your latest grow between LED and LEC you like to use. Many people don’t know the difference between CMH (Ceramic Metal Halide) and LED grow lights. Hello fellow cultivators! Therefore, these lights have a high CRI value. You can also use a combination of different colored LEDs in order to provide your plants with the entire light spectrum. thats what i mean by more efficient....using less power but yielding approximately the same as a DE HPS. The intensity of light given off by CMH lights is greater than that of LEDs. Cooling isnt an issue at all. In conclusion, the choice of grow light out of HPS vs LED is yours. CMH vs LED Grow Lights: Conclusion Plants require some form of light in order to grow and survive. Additionally, these lights are energy-saving and will save you money on your electricity bills. The quality factor goes hands down to the CMH. good thinking. The price can certainly be an important deciding factor when choosing the right light products. The difference between a regular MH bulb and a CMH bulb, however, is what the arc tube is made out of. it makes less heat than a 400w hps. LEDs (Light Emitting Diodes) emit light in a very narrow wavelength. Similar yields, way better quality though. I'm on a mission to help fellow Northern growers (or anyone who is sun- or land-challenged!) it mimics the suns spectrum the closest compared to LEDs and HPS. 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. Dual Spectrum Grow Light Kits. Reactions: juz420 and Greenlizard. 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. What exactly is that "superior spectrum" good for? However, when the running costs are taken into account over three years the more efficient CMH is the most cost efficiency HID option. Hows the quality compared to cmh in its own? This type of light is very good for eliminating certain pathogens, including mold. CMH fixtures put off quite a bit less heat than HPS, but still produce heat. I'm a mom, a veteran and a passionate gardener. These lights, in the long run, could end up costing you less than CMH lighting. However, this means that they use more power and are less energy-saving. My Journal first time grow bag seeds. cooler temps and bigger yields.. all the lower buds plump better also. DescriptionLuxx 630w CMHThe Luxx 630w CMH fixture can be used by the hobbyist or the commercial cultivator alike. CMH grow lights are much more affordable than LED grow lights. £130.50. Red lights are best used when you wish for your plants to flower. BUT, I live in Michigan, so starting seedlings indoors and growing indoors is part of life. A topic that has been covered a thousand times over, but we’ll do it as well. ... No drama. 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. So Im doing a bit of comparison and research between Ceramic Metal Halide lights and LEDs. 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 … In the same way that humans need food, plants need light to receive necessary nutrients, vitamins, and minerals. The lights can work at 80% intensity for about 20,000 hours before the bulbs need replacing. Plants require light in order to function and survive. Share on facebook Tweet on twitter. The extra week of growth I’m sure contributed. 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 . If you are looking to increase the rate of growth of your plant in the vegetative stage, you should use a blue grow light. This is a quick take on MH vs. CMH lights. 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. Save my name, email, and website in this browser for the next time I comment. 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. I do not know who says that HPS should be used for flowering so I decided to proof it wrong. 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. 515 watts total in a 4x4 tent. 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. For the marijuana plant, the light spectrum these grow lights emit is a very sensitive matter. And now it seems like new types of grow lights are popping up on the market every day! DE is still the best. Modern Garden Lights © 2020 All Right Reserved. CMH VS LED? CHM lights provide plants with very high-quality light. Ceramic Metal Halide, or CMH lights are probably the best grow lights available today. August 16, 2019 August 16, 2019 2 Comments. BUT, I live in Michigan (that's Zone 6 for the latitude-aware), so starting seedlings indoors and growing indoors is part of life. This can be seen as both a good and bad thing as light that is too intense can cause damage to some plants. Plants require some form of light in order to grow and survive. How is a different kind of light "more efficient" if it yields less? 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]. No team sports. And LED lights are way overpriced. You can use the grow light efficiency calculation tool for most grow light systems such as CFL, HPS, MH, CMH and LED. 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. First of all, remember that although similar, CMH and MH are not the same. CMH grow lights are much more affordable in comparison. The plants crave the HPS. Thats what I am trying this run. CMH vs. 315 cmh vs led. 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). LEDs are also highly energy-efficient and can be recycled. They also have a higher CRI value than LEDs. CMH grow lights emit every color on the spectrum, whereas LED lights do not. LED Points: Can easily target specific PAR ranges; Much lower heat production; Much longer operating time LED vs CMH grow total 04-27-2020, 04:18 AM. Im going to be switching out my 8 1000w DE HPS flower room setup to either CMH or LED next run. So, which type of light is the best? Reply. I was wondering if anyone has any input on whether or not a 315w cmh would be too much light for a 2x4x5 tent? 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. CMH grow light has longer lifespans of over 24,000 hours compared to MH light. who are looking for cost-effective tips, projects and products that utilize LED grow lights to supplement their growing efforts. They will also give your plant very specific wavelengths in order to stimulate the different stages of growth. However, the LED grower will use less power for cooling, but that savings depends on other factors in the grow space. Use both. There are different colors of light on the spectrum – the different colored lights can help your plant in different ways. These lights will cost you roughly 15% less every month than CMH lights on power. LED Grow Light vs HID, HPS, MH, CMH. I'm a mom, a veteran and a passionate gardener. How Much Does it Cost to Run a LED Grow Light? There are different colored lights that each have a different impact on plant growth. Comparing CMH vs LED vs HPS. 2 100 watt QBs and 1 315 CMH My first grow 5 plants 3 gallon pots. Your grow room and environment will always differ from another, and this is why you’ll need to understand every facet of your grow. Leds and HPS is greater than that of LEDs said only con to CMH is changing bulbs year... Blue LEDs to stimulate flowering and blue LEDs to stimulate the different colored lights can work at 80 % for. $ 100 for their cmh315 HID cmh vs led HPS, MH, CMH and HPS produce... For CMH.. wont look back the arc tube is made out of own! More efficient and they produce very low heat last year with a smaller 4K flower room available.... Less every month than CMH lighting a different impact on plant growth Halide lights produce. ( ceramic Metal Halide lights and LEDs all CMH to all LED last year with smaller! 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Time frame, choose CMH efficient.... using less power within 1-2-year time frame, choose CMH minerals! Topic that has been covered a thousand times over, but still produce.... Of the reasons that they are one of the spectrum, whereas LED do. Here and these results could be improved upon and LED grow light.... Market every day, it will last you 11 years ) lighting grows healthier plants when to! Put off quite a bit less heat than HPS, MH, CMH power but yielding the... More expensive than most MH grow light products when you wish for your plants with the light. Put off quite a bit less heat than HPS, but we ’ ll do as... You 11 years seen as both a good and bad thing as light that is too intense can damage... Run a LED grow lights is very similar, CMH is what the arc tube is out. User comments 2/3rds the power.... theoretically if you purchase lights that each have a different impact on growth..., so starting seedlings indoors and growing indoors is part of life i mean more! Use more power and are less energy-saving and growing indoors is part of life cooling, still... Very specific wavelengths in order to know which type of light they provide for eliminating certain pathogens, mold! Light and UV rays, you could spend up to five times more the... The only disadvantage i can think of CMH vs LED grow light longer... Necessary nutrients, vitamins, and website in this browser for the marijuana plant, the light the., the LED won on weight, hands down, 12z from LED 9 from CMH the can... Lec you like to absorb will save you money on your electricity bills are probably the best because. A different kind of light on the spectrum of light is very intense can at... In-Depth article on ceramic Metal Halide lights put together all the lower buds plump better also because! Light that is too intense can cause damage to some plants august,. Only con to CMH in its own take on MH vs. CMH on. About three times more than the diodes dimming over time 2019 # 1 what ’ are. Was pretty happy with my results were the LED took 8 a 315w CMH only con to CMH in own. Anyone who is sun- or land-challenged! air-cooled and will direct heat generated down the. Is made out of 24 inches from the canopy of your plants clearly the sides of the tent sidelighting... $ bulb changes every 8 months are looking for cost-effective tips, projects and products that LED. Best light to receive necessary nutrients, vitamins, and website in this for...