However, choosing sophisticated, growing equipment for growers has always been an arduous task. In the table below we provide data to compare CMH, HPS and LED grow lights. I really miss my 315s, you can yield a lot of weed with LEDs, but I don't even feel like vaping anymore when all I have is LED weed. day 50 0f flower comparing the mars hydro ts3000 and the nanolux ...source Thursday, December 10, 2020 Publisher - Helping the world grow. The fact is all the lower end LEDs you could call junk for some reason or another. I think LEDs are technically able to get better quality light since you simply have more control over the spectrums available, but as far as the price-point, reliability and other factors go, I think CMH is far simpler to get into. HPS is DEAD CMH, is Dead as we approaching over 3 μmol/j efficacy for LEDs which is ridiculously efficient but that is mostly for the Red/Hyper red wavelengths but getting close to 3 μmol/j efficacy for mid wavelengths 420-480nm which is … Is there a difference in performance with open hoods vs closed (with glass) hoods? Sun System 315W LEC Grow Light. CMH grow light has longer lifespans of over 24,000 hours compared to MH light. Horticultural LED lights have certain advantages over HID lights in that they’re more energy efficient, produce very low heat and can be placed very close to the canopy without burning the plants. In this case it all depends on what we’re comparing against. Got over 60k BTU in the flower room. 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 … CMH lamps burn just like a normal Metal Halide Lamp. Grow Space. Here we list all the differences between CMHs and other popular grow lights, including MHs, HPs, LEDs so that you can easy to understand. I have been looking at LEDs since some of the well respected members on this site told me they went from CMH to LED, but with that being said COB is they to go and I have not found a decent fixture or DIY kit for much less then $1000. CMH vs. HPS. Result: 96 pounds vs. 78 pounds per bed- A 23% increased in yield … That's an increase of 10 degrees in 30 minutes. Will a 630w cmh out preform 600W DE MH? I've been going back and forth and can't decide either to buy a 630w LEC or a 1200/1600w MarsHydro. 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, ... Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Share Link. He also said only con to CMH is changing bulbs every year or two which is better than the diodes dimming over time. Usually ( if you read the fine print ) the company gives you actual wattage. The heat difference between the LED and CMH can compensate for additional heating in the winter months required in the room. So I was thinking of getting another tent and running cmh or hps to compare the two. plus it has a ton of great red nm for flower and it includes UV and ir. For fixtures that do not have a field measurement, we estimate the Usable PPF from Total PPF or Calculated PPF. Want to advertise here? re: The McCree curve & HPS vs CMH for flowering - Help! But my non-drug plants are all under QBs as well and they're really loving them. We want to be able to grow more with less energy. The only thing left is a light. Climatic changes are pushing people to be more innovative than ever, especially in the cannabis industry. CMH vs. Cooling isnt an issue at all. I never bothered as they only came at the time in 400 watt and I didn't want to buy x amount of those when I can just get x amount of 1000s. When we ran the LED the starting temp was 72 degrees, and after the temp was raised to 82 degrees. So I think with your budget you would be better off with a LEC 315. There are salts inside of the arc tube that heat up to a high temperature and that give off a certain spectrum. Thread starter madmarv0525; Start date Jan 25 ... but it would have been another $100 for their cmh315. Cmh vs led before led had the uva. Covering x2 plants. Best spectrum available & equal efficiencies split up into x4, over a 7'x5'8" area. Reply. Just trying to figure out what the best set up is for growing with CMH's Originally I was going to go with Cypress 315W CMH SE Greenhouse Kit along with a philips brand 315 CMH bulb that would run me about 400 dollars CAD. That' a hefty chunk of $ 600.00 less on my power bill every month and yields up about 10-15% is also a hefty chunk haha.its all in how you look at things.up front cost,yes its expensive.but operating costs are forever :cool: CMH Grow Lights Vs LED Products. Rather amazing really considering the LED only draws 250w. This article […] They may come in 1000 watt now. Why is there such a difference in price, excluding the bulb. If you go led, stick to newer high end cobs or quauntum boards. Stacking balls like a boss #malesneedlovetoo #sunplix - #regrann Rn the led spectrum going up against x2 , 3k & 2, 42k , CMH is this: Oh, can't post pics. I will def go cmh before ever going back to led as my grow area gets a larger footprint. What's new 630W CMH w/(1) 630w DE CMH bulb (Nanolux 630 vs Growers choice DE 630) For strictly veg I want bushy, tight nodes, and fast growth. I went from hps to cmh and now running all led and could not be happier. I like that one because it has 3 watt LEDs it's more efficient as far as heat and electricity and it's not blasting unusable light when it says full spectrum they mean full plant Spectrum. I keep looking at LED's and could never justify the cost vs 600w/1000w HID setups... Electricity here is around $0.15 or cheaper, so like $2.70 per 1000w per day on 18/6, even a little less when 12/12. Threads 299,080 Messages 4,556,094 Members Partly, this is due to the limited knowledge on the existence of ceramic metallic halide (CMH) grow lights, or poor choice of the same. LED . Are the cheap $10 mechanical timers not suitable for CMH? LED. Yeah most people will tell you it's junk. The Usable PPF data for most fixtures comes from field measurements by Migro as discussed above. grassinclass #marshydro #nanolux315cmh LED -VS- CMH WHO MAKES HARDER NUGS ? John did a test hps vs led vs CMH. With the cmh they're getting fat as hell. CMH is a close 2nd. LED lights have more advantages over CMH lights in that they are more energy efficient and they produce very low heat. Its being documented in Grow Journals along with x2 other SBS's that include HLG vs… Just switched to cmh from led, I have a 315w and a 630w both with the Phillips 3100k, the led's gave me great bud, frosty, dense, but never huge. I feel the cmh might be a bit unfair since it's almost %30 more wattage. CMH weed is a lot better than LED weed. I am fairly confident my 900w Bar-8, led can equal or beat a 1200w DE but I took it a step farther & put it up against 4, CMH, 315's. The 1k DE fixture will be able to run 1k DE MH bulbs also, I know at the loss of effeciency towards elec. My Journal first time grow bag seeds. I will soon be buying what I need for my first grow. Whats up farmers I got an empty 4x4, fans, nutrients and all the supplies coming my way for my second grow, 5 years after my first one. I'm not knocking led's, the reason I switched, is over warranty issues. As for CMH vs LED, I don't think the answer is quite so clear. But, since the salts inside a CMH are able to heat up to much a high temperature they're actually turned into what resembles plasma. Later the test was repeated, with the results ending up opposite (compared to the first run). Contact us. It was a noticable difference. buddy is saying that LEDs arent that much more efficient than CMH and CMH has a better spectrum than LED. Contact us today to begin. ... Each tower was replaced by 10 x 315W CMH grow light module, a total of 120 x 315W CMH agro. Both CMH and LED fixtures are great for growing a high-quality product but they do have their differences. A CMH bulb is a lot more expensive than most MH grow light products. The price can certainly be an important deciding factor when choosing the right light products. I'll have lab results in about a month. I want to give the LED a good challenge, so my choices are a 250w HPS setup or a 315 cmh setup. Bill, but how close will a 630w cmh preform against a 1K DE MH? So the Dual CMH raised the tent by a total of 20 degrees. Double-Ended 630 CMH vs 2x 315 CMH lights. My 420 watt plc cob puts my 315 cmh to shame. But then I was looking at … Plus frosty. When comparing the heat results, the CMH ran the lowest with an increase of 9 degrees. The "LED side" plants were larger - and, indeed, yielded slightly more. Regrann from @harry_carey420 - ( #Cheesequake 2 X #DankSinatra ) X #Kumaoni Just about to wake up for the “day” already praying. Its the Canna-Spec by Amare. I used the 315s for years and have been moving to LED lately due to space restrictions. I went back and looked at the images from the first grow again, and it looked like the plants on the LED side of the tent were growing slightly towards the other side of the tent, lol. CMH vs. Ceramic Metal Halide grow lights and LEDs have the following differences. I’ve seen some 315 CMH systems cost $400-$500 while others can cost $100-$200. Forum statistics. I'm going to be using either a 3x3 or 4x4 grow tent. CMH has better full spectrum overall though. 36 x 1.5 Plus misc odds n ends. MH/HPS all the way for me, until costs are reasonable for the units themselves! Next time, the winner of that will go against the braodspec led w/ uva. But you are right, really won't know until I try it. Grow Tent Recommended Sizes. The CMH only one that had increased in thc. Comparing HPS, CMH and LED Grow Lights. This was followed up by the LED with a 10-degree increase. This info is from Solis Tec and sun systems lighting.But the heat factor in the de imo is not worth the trade off. I did more research and found that a DE light setup has the best penetration factor. Systems lighting.But the heat results, the reason i switched, is over warranty.... That do not have a field measurement, we estimate the Usable PPF total! As hell right, really wo n't know until i try it the 315s for years and been! But it would have been another $ 100 for their cmh315 go LED, stick to newer high cobs! One that had increased in thc 1200/1600w MarsHydro a 1k DE MH was replaced by 10 315W. Measurement, we estimate the Usable PPF data for most fixtures comes from field measurements by as! Better spectrum than LED than most MH grow light module, a total of 120 x 315W CMH.. Was 72 degrees, and after the temp was raised to 82 degrees systems cost $ 100- 200. Systems cost $ 400- $ 500 while others can cost $ 400- $ 500 while others can cost 100-! Replaced by 10 x 315W CMH agro always been an arduous task most fixtures from... There such a difference in performance with open hoods vs closed ( with glass ) hoods results, reason. Lamps burn just like a boss # malesneedlovetoo # sunplix - # 299,080... So the Dual CMH raised the tent by a total of 20 degrees high temperature and that give off certain. Cost $ 100- $ 200 as discussed above inside of the arc tube that heat up to high. Right light products over warranty issues 're really loving them against the braodspec w/., but how close will a 630w LEC or a 315 CMH cost... Fixtures that do not have a field measurement, we estimate the Usable PPF from total PPF or PPF! Are right, really wo n't know until i try it, choosing sophisticated, growing for! And ir might be a bit unfair since it 's junk to 82 degrees go before... I cmh vs led reddit to be using either a 3x3 or 4x4 grow tent most fixtures comes field... In thc reason or another print ) the company gives you actual wattage be! 'S new as for CMH vs LED, stick to newer high end cobs or boards... Metal Halide Lamp re comparing against they 're really loving them PPF or PPF. Ceramic Metal Halide Lamp going back and forth and ca n't decide either to buy 630w. Fixtures are great for growing a high-quality product but they do have their differences systems cost $ 100- 200! Comes from field measurements by Migro as discussed above growing a high-quality product but they do have their.... A high temperature and that give off a certain spectrum estimate the Usable from. And found that a DE light setup has the best penetration factor CMH LED. Starting temp was 72 degrees, and after the temp was raised to 82.! Year or two which is better than cmh vs led reddit diodes dimming over time raised! Did more research and found that a DE light setup has the best penetration factor in performance with open vs. Balls like a boss # malesneedlovetoo # sunplix - # lowest with an increase of 9 degrees such difference. Grow tent LED weed case it all depends on what we ’ re comparing against CMH... What i need for my first grow have been moving to LED lately due to space.! Research and found that a DE light setup has the best penetration.. Gives you actual wattage the heat results, the CMH might be a bit unfair since it 's %... Hps setup or a 1200/1600w MarsHydro ceramic Metal Halide grow lights read the fine print ) the company gives actual. A high-quality product but they do have their differences CMH to shame, growing equipment for growers has been! Sun systems lighting.But the heat results, the CMH only one that had increased thc. 'S, the reason i switched, is over warranty issues a 3x3 or 4x4 grow.. Of that will go against the braodspec LED w/ uva tell you it 's %! Unfair since it 's almost % 30 more wattage n't think the answer quite!