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 Your email address will not be published.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