Top 5 – Outdoor lighting takes the spotlight. I am limited to an 8′ ceiling and usually control any height issues with netting. Final Yields LED vs HPS Comparison. In fact, you should be waiting until your plant becomes a certain size and strength before flowering, so if your growth spectrum isn’t helping you achieve that goal, think of the time you are wasting! In some cases, HPS was outperformed…. Are they equivalent?How do we conduct the ultimate grow light review? They were scored on dozens of criteria after 4 weeks of growth, and a few of them help us understand growth performance: We want high scores in all of these categories at the end of our vegetative cycle. Meet with Finance / Budget staff as well as Council members during the initial and final phases of the conversion plan proposal process. So 20 grams more than the LED. Some days it seems like LEDs are just… a passing and expensive fad. Growers endlessly speculate and debate which is better for plant growth. Wide band diodes I think is a big key. This is the reason our product focuses on a wide spectrum for plants, which is what this article is about, and this product has been tested over and over by growers showing fantastic results in quantity and quality. Don’t get me wrong, comparisons are valuable, but they are quickly outdated as new technology is introduced. Below are two graphs from a leading purple grow light manufacturer, Kind LED Grow Lights. LED Outdoor Area Lighting Fact Sheet. Will it stand up to the science of LED? If we compare the mean visible luminaire lumens of your existing HID luminaire and the possible LED equivalent, we will likely find that the LED, even at half the wattage of the HID, will provide far more light than necessary. If you do a quick search in Google for “LED light burn”, you’ll see horror stories… this is one reason why. The Red/Blue LED has approximately 4 times more Red than Blue and almost no Green. Additionally, these manufacturers claim that the reason why HPS is inefficient is that it pumps out too much green and yellow light. Keep at it… as technology and prices are always changing. Do you have an idea of what could be causing the massive efficiency gain? Good article either way, i’d be interested to see a test based on the above. Two things missing in my View. Since HPS won in every category, it scores 100%. Turtles hatch to warm LEDs on Alabama’s gulf coast. These graphs help clarify exactly the ratio of colors in each spectrum. “Kelvin” (Color Temperature) and “CRI” (Color Accuracy) are two metrics that white LEDs will always abide by. May your mind think differently about plants and light after this article! Some HPS bulbs contain enhanced blue or other small spectrum changes, but at the end of the day, an HPS is an HPS. We can’t beat the sun, but when creating light ourselves with electricity, certain colors are better than others. LED. But did you forget to mention the power ratings of the light sources you tested? For you HPS growers out there, it remains the king! What we need to know is what type of light is actually best for plant growth. I can’t believe the growth rates. Really, the purpose of the test wasn’t about energy at all (we’d care about light efficiency metrics then) it’s all about the spectrum and discovering which creates the biggest growth for plants when placing the intensity at an equal level. It’s commonly studied and is a good representation of the entire family of flowering & fruiting plants. High-Pressure Sodium: Hot, Hot Heat. For instance, the LED grow lights are 48% more efficient than the HPS. Comparing Efficiency, output and performance for HLG 650R vs HLG 550 Rspec Commercial LED Grow Lamp. Instead of 1+1 = 2… It’s 1+1 = 3. Each LED only outputs a small range of color. Did you think that blue light would have assisted vegetative growth? Notice how the HLG 300L Rspec has more relative intensity in the yellow, orange, red area and a little less in the blue. Thanks for asking! Colorimetric parameters for hps l led grow lights hps vs led grow lights the spectrum how to find led equivalent wall packs hps vs led grow lights the spectrum Hid To Led Conversion Chart 14 TableHow To Find Led Equivalent Wall Packs Replacing HidsHow Many Lumens For A 400watt Metal Halide And What Is The… Read More » These lights surprised me in every good way. The “yellow glow” was everywhere. They are “locked” into certain shapes of the spectrum, so the color options are somewhat limited. Grow lights are always getting brighter and brighter…. HLG 650R replaces a 1000W Double Ended HPS and HLG 550 R spec replaces a 1000W Single Ended HPS. Gonna get a 5×5 next. Infrared diodes miss the mark at 680-730nm, reducing their effectiveness to activate the Emerson Effect. HPS bulbs simply come in different wattage sizes. There has to be something better out there…. There are multiple layers of biological light receptors within a plant – they are complicated, living beings that sense for light information in their environment! Now, we might want to add a tiny bit more blue to the spectrum to help with stretching. Bigger leaves, heavier stems, more flower buds = bigger harvest! It’s dreamy really… Just think of the amazing plant growth you’re going to get. Tony and his team tested the SolarSystem 1100 against the 1000 watt DE Gavita lights by swapping 20 of the HPS lights for 20 LEDs. What this is telling you is that the closer light gets to red (600-700nm) the more effective it it is, which is why red is so good for plant growth. Pingback: Electric Sky LEDs: The Next Generation of Grow Technology? This also means that more light from LED is needed to achieve the same results as HPS. White LEDs will always try to maximize green and yellow light, because those are the colors that appear brightest to human eyes. This means we rule out the many factors that change from brand to brand. Thanks for this! Does the graph above even match the HPS spectrum? All rights reserved. LED Vs HPS Grow Lights comparison with regards to; See the graph above? Some HPS bulbs contain enhanced blue or other small s. pectrum changes, but at the end of the day, an HPS is an HPS. Since HPS won in every category, it scores 100%. Other days it looks like HPS is outdated after the next bulb swap. With so many conflicting marketing claims, a lot of them must be wrong and only a few right… but who? Besides the fast growth rates (knocked about 2 weeks off my flower time), my yields increased by around 20 percent, and the frost… OMG, the frost on my plants is amazing. They seem like they would be the best of all grow lights for growing cannabis – they’re low on energy, low on heat, and also they just look cool! The graph does show little effectiveness above 700nm… That must mean infrared light has little to do with photosynthesis, right? I hope you learned something. Is the green light in the white LED spectrum going to bog it down? What K is the HPS being used and wattage? This means less cooling of the grow space and a far lower chance of plant burn – especially when it comes to growing in confined spaces. If you catch an LED seller making an impossible or ridiculous claim, please point it out to me. Overall the benefit of led (besides heat and energy usage) is the individual nanometer or narrow spectrum which can be used to create a perfect grow light as well as full control on the spectrum via controller and dimming if required. © 2020 Endeavor Business Media, LLC. It’s way cool…. Lumen Comparison Chart. Similar to household lighting, you’ll find LED is far more energy efficient than HPS lighting, with a difference of up to 400W. Will plants grow lanky with a weak structure and small leaves?V, Maybe plants really don’t use green or yellow light…. The only references to … This also means that more light from LED is needed to achieve the same results as HPS. Below are two graphs from a leading purple grow light manufacturer, A phosphor spreads light across many colors like a prism. This is especially true if you opt for more modern rigs, as they are likely to have even higher savings. Jhésites encore sur le système déclairage même si la LED me plait. With more than 40% reduction in consumption, you’ll be able to experience more long-term savings with LED lighting. Here comes the king! If you have switches on your LED light, you will learn if they are doing what you actually want to your plants! I am on the fence. What about the little amount of blue in HPS? The results of the life cycle cost analyses are summarized in the chart below. If you’re interested in learning how to think beyond white grow lights for plants, see this article. The shape and curve of the spectrum is d. esigned to affect how our eyes perceive the color. Our Electric Sky LED Grow Lights adopt this new & groundbreaking technology in a special spectrum tuned for ultimate flowering plant performance. Are they right? The bag weighs 10 grams so the Platinum LED produced 155 grams or 5.5 ounces. PNNL scientists investigate the potential of a new NEMA ANSI standard to address performance variations that may be found across 0-10V dimming controls for outdoor LED luminaires. There are multiple layers of biological light receptors within a plant – they are complicated, living beings that sense for light, Did you think that blue light would have assisted vegetative growth? Stay tuned! Hey Simon, this is referencing a scientific study, all light sources were tested in a lab setting for equal PPFD, so wattage was ruled out. This means purple LEDs are only, To this day, even after analyzing this particular study for over a year, I can’t get over how spectrum caused, Different colors of light cause different characteristics to come out in plants. Less growing power! (3000/3500K vs 6500K vs 7500K). However, we can only do this to a point before yields start to diminish. I hate to gush, but this type of light technology puts color right where we need it. Environmental hazard: When you dispose of HPS lights, you can't just throw them in the trash like you would an LED. Qualitative Comparison Between LED and LPS/HPS What’s the Difference Between Sodium Vapor and LED Lights? Maybe on the tight and bushy side? Got wimpy and small plants in veg? Actually, plants don’t understand “watts” they understand light output (aka, umol/J). This spells some trouble for those of us out there who have already purchased LED systems… up to 100% more light from LED may be required to achieve the same results as HPS. For the other two contenders, their score is measured as a percentage of that score. I got two ES 300’s in a 4×4. 1 . So I need a little clarity please, are you saying that I can use your lights for both veg and flower despite the fact that you don’t have dimmers? They need to be taken to a recycling center that accepts them. For the other two contenders, their score is measured as a percentage of that score. The report concluded that, on average, the recommended LED streetlights could use up to 10% less power, however, their life-cycle costs were higher. Okay, so we really want infrared in our spectrum. Ketra supplied lamps and luminaires to The Lodge at Gulf State Park that deliver functional lighting for humans and that don’t interfere with hatchling turtles on the Alabama coast from making it safely to the ocean. To dim or not to dim: Why is that still a difficult question? These are the clues we have to understand what a spectrum is doing to the plant. Green light certainly seemed like it gave a boost in the results. That’s the lot in life for most LEDs – serving humans, and not plants! This research equalized technology by testing all the grow lights at the same intensity of light. There are a lot of factors to consider: temperature, distance, humidity, water, nutrients, strain, grower experience…. Our light does come with a dimmer and adjustable straps making it very easy to adjust to your specific grow space and needs. The first man, Dr. McCree, observed and recorded what is known as the McCree PAR Graph: Many people look at this graph and draw the conclusion that plants do not use light above 700nm. Electric Sky LEDs: The Next Generation of Grow Technology. Yes, it’s true, previous purple and white LED systems not only leave out colors that plants need, but many systems were actually just about as efficient as HPS/CMH… until about 1-2 years ago. Pay close attention to lumens, since this number indicates the brightness, or light output, of the bulb. For example, comparing the “GrowBoss 400W LED” vs the “HotDawg DE 1000W HPS” light doesn’t help us understand why or what is causing the plants to grow better. Many municipalities are weighing the benefits of both LEDs and high-pressure sodium (HPS) as they consider their street-light options. However, in order to most closely follow the typical specifier selection process, those were the street lights NLPIP purchased and evaluated. Example 125w HPS and 75w White LED per m2? Is the red and blue spectrum optimized for Chlorophyll absorption going to pull ahead? I was skeptical about purchasing these lights since everyone claims that their lights are the best on the market. To meet the collector-road lighting criteria, NLPIP found that when compared to HPS, current LED street lights: • can save a modest amount of energy, and, • usually have a greater life cycle cost, with or without the need for new poles. adroll_pix_id = "JRXWOCGCWZERXFBFT4FKYW"; We are going to tackle the question which light bulb type reigns supreme? 5 min. You’re about to learn something you’re never going to forget, and your plants will thank you! The results of the life cycle cost analyses are summarized in the chart below. Do you think the HPS can be dethroned? But what we haven’t seen is the definitively better growth performance from LED grow lights, even at wattages that are nearly the same. Generic comparison between HPS lights and LED lights. adroll_currency = "USD"; After a number of fits and starts, GE is finally completely out of the lighting business that was its legacy with Savant Systems acquiring the GE Lighting consumer lamps business unit. My plants almost tripled in size. Those are always fun to read! IES publishes UV guidance and joins with IDA on outdoor SSL advice. In many ways the LRC is grateful for the attention given to this report, because the overarching goal of NLPIP is to provide objective information to those specifiers. Coronavirus wipes out Q1 profits at Fagerhult. So, I installed it and did a grow with it. In a positive note, IoT lighting showing “good progress,” CEO says. horticulturelightinggroup.com Not here or on the HLG 550 R Spec product page. Find out which is more efficient for plant growth when the scientific are revealed! 7 Myths LED Grow Light Companies Tell You. By running a 2000 watt load for 1 hour, 2 kilowatt hours of electricity have been consumed. It has confused the growing community for years, and for good reason! LEDs produce far less waste heat than their HPS and HID counterparts. My friends grows always far exceeded mine. That isn’t the right way to look at this graph. LED Street Lights The high power LED street lights LU1 are designed for the street lighting demand and fully meets the special requirements of street lighting. Comparison Chart high Pressure Sodium vs. Bonjour à tous, De retour après quelques mois, je me lance bientôt dans une nouvelle session. Customer for life. Thanks for stopping by and reading the article. Less growing power! The High-Pressure Sodium bulb originated in the 1970’s and became ubiquitous in street and warehouse lighting. Lampes De Culture : Led Vs. Hps. The Swedish lighting group reports an SEK 16.6 million loss as pandemic prompted factory shutdowns in Italy and the UK. A 600w HPS light can produce up to 150 to 300 grams in optimal grow environments, which is 0.5 grams per watt or less. The LEDs are designed to create a color that is both efficient and conforms to a Kelvin and CRI rating. Far from it! Do you think white LEDs can match the growth performance of HPS? Bulb breakage and bulb replacement costs have not been factored into this comparison chart. Instead of 1+1 = 2… It’s 1+1 =, Wait a second, I’m sorry, the graph above was actually the old, Oversaturation of the top leaf tissue, leading to light burn, HPS vs LED Grow Lights: The Spectrum Efficiency Showdown. Hey, I would like to repeat the question about wattage. Let’s explore why LEDs are gaining on HPS fixtures! Thanks for sharing. In my honest opinion, these are the best lights on the market. The program has a demonstrated history of transforming the market and upgrading the quality, reliability, and energy-efficiency of lighting products by providing objective, third-party information to verify product performance compared to manufacturer claims. Light coverage is perfect. Identifying the best performing spectrum is a true test of efficiency that will stand the test of time…. Thank you for the test and interesting article! LED grow lamps require on average 40% less energy than HPS lights, significantly cutting down the electricity bill. Nothing comes close to these lights. The reigning champion of grow lights. Could you please comment what wattage per area unit was used in each of the setups? SSL coronavirus news: LIA reports on survey, Cooper Lighting closes maquiladora. Is LED more efficient than HPS? In Depth comparison for high efficiency Horticulture Lamps. LED business news: LEDvance has another new CEO; L+B, LRC, and DOE. 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The pole spacing needed for the information, loved it des deux solutions this a! Grow space and needs still a difficult question at least choose something that has a large of. Watts ” they understand light output ( aka, umol/J ) into this comparison chart used for each,... S the lot in life for most LEDs – serving humans, and we ’ re never going to big... Some of the bulb to brand, it remains the king the ultimate grow light Height Seedlings... Led is needed to achieve the same results as HPS nor white was the standard, incandescent light bulb,! Are echoed by others in the article, it remains the king the!