There are multiple layers of biological light receptors within a plant – they are complicated, living beings that sense for light information in their environment! Work hard on the data and applicable sustainability / maintainability scenarios. The high-end home automation outfit could give GE Lighting its spiffiest polish since the bygone days of Jeff Goldblum’s dazzlingly cheesy Terry Quattro character. I have been a big proponent of LED's. LEDs produce far less waste heat than their HPS and HID counterparts. 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. Electric Sky LEDs: The Next Generation of Grow Technology. I don’t know if you can tell from the pics because I squeezed the bag some, but the buds are looser and the bag is much fuller proportionally. Less growing power! SolarSystem 1100 LED vs. HPS: The Results. The White led’s, are these Warm, Cold or Day White as the spectrum changes a lot in favor of the plants requirements. How will it do in vegetative growth? All skepticisms were put to rest as the weeks passed. Thanks for asking! You knocked it out of the park. The aim of this article is to compare both LED and HPS grow lights and help you make a better buying decision for optimal results. If you’re interested in learning how to think beyond white grow lights for plants, see this article. Hi Pierre, the study is linked to in the article and it contains all of the color ratio information that you’re looking for. Plants need a robust, strong, and large structure to gain momentum for explosive growth in flower. 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. Qualitative Comparison Between LED and LPS/HPS What’s the Difference Between Sodium Vapor and LED Lights? Notice how that as blue light increased, the smaller the leaves became. Many municipalities are weighing the benefits of both LEDs and high-pressure sodium (HPS) as they consider their street-light options. Use the S/P ratio chart to select the S/P ratio for the LED wall pack. HPS bulbs simply come in different wattage sizes. The High-Pressure Sodium bulb originated in the 1970’s and became ubiquitous in street and warehouse lighting. He recently retired a 600 watt HPS and offered it to me. The HPS ‘Dual Spectrum’ Bulb emits mostly Red and Green with almost no Blue. We present the results of this study done by a scientific laboratory and used wideband, narrowband, and white LEDs, some with filters to test how plants responded to different % light spectra (blue/yellow/green/red/infrared) which shows us how plants truly respond to colors, which is very exciting. And as far as performance goes,  I think you will agree that there was a clear winner. adroll_adv_id = "O55TSGPOERBLLGOKURTPIG"; The growth rates are ridiculous! HPS vs LED Cost and Efficiency: Initially, LED lighting options for parking lot lights and street lights are going to cost more than HPS lighting. For those who have yet to discover the beauty of the LED, LED bulbs are “Light Emitting Diodes,” where electricity flows through two electrodes ­- an anode and a cathode). 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? This means purple LEDs are only half as efficient and white LEDs lag by 25%. Last updated : Septembre 29, 2020. The Swedish lighting company has reorganized along brand lines in place of geographies. When we’re talking about photobiology, it’s important to work off of percentages and color ratios. 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. The report concluded that, on average, the recommended LED streetlights could use up to 10% less power, however, their life-cycle costs were higher. The bag weighs 10 grams so the Platinum LED produced 155 grams or 5.5 ounces. The shape and curve of the spectrum is d. esigned to affect how our eyes perceive the color. LED vs Metal Halide What are LEDs? Keep in mind this light has over 50% red and 10% infrared, most white systems on the market have less than 40% red and 3% infrared. Nothing comes close to these lights. If you’re going for LED, at least choose something that has a large amount of green or yellow light. Compare: HPS lights vs LED lights. NLPIP analyzed the pole spacing needed for the streetlights to meet a national roadway lighting standard for collector roads, ANSI/IESNA RP-8. When we’re simply viewing things in the eyes of the plant, only spectrum and light intensity matters. However, is it a myth that HPS shouldn’t be used in vegetative growth because of its spectrum? 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. The LEDs are designed to create a color that is both efficient and conforms to a Kelvin and CRI rating. There has to be something better out there…. There is no way around it. Check out the results below. In a positive note, IoT lighting showing “good progress,” CEO says. Here is a graph commonly used by white LED grow light manufacturers, this one is taken from Nextlight LED Grow Lights. White LEDs will always try to maximize green and yellow light, because those are the colors that appear brightest to human eyes. How’s that for efficiency? Enjoy the site! What about the little amount of blue in HPS? Similar to household lighting, you’ll find LED is far more energy efficient than HPS lighting, with a difference of up to 400W. Compare the Mean Visible Luminaire Lumens of the HID and the LED Fixtures to Find the Best Replacement Option. Just look at all that color in the 680nm – 720nm range…  Beautiful! To emulate the streetlight selection process used by typical specifiers, NLPIP purchased and analyzed eight LED streetlights that were recommended by manufacturer representatives as equivalent to an incumbent technology, namely a 150W HPS streetlight with a Type III distribution. The HPS vs LED grow light matchup is a clash of the titans. 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. It gets even more confusing since factions for either Led or HPSclaim that the light works best for their cannabis plants. Could you please comment what wattage per area unit was used in each of the setups? For you HPS growers out there, it remains the king! On the upside, along with saving power, you’re putting hundreds if not thousands of dollars in your pocket over years of operation of an LED system . In comparison, an LED grow light yields up to 1.5 grams per watt while using a lot less electricity in order to produce the same luminosity. For the other two contenders, their score is measured as a percentage of that score. These lighting fixtures use many different “LED colors” (aka multi-band) to create a wider range of light, and the spectrum will match as closely as possible the graph of Chlorophyll absorption. LED ou HPS, c'est un vieux débat, alors plongeons-y et regardons les avantages et inconvénients des deux solutions. May your mind think differently about plants and light after this article! Energy-efficient. Will it stand up to the science of LED? Meanwhile, it withdraws a dividend and puts off its annual meeting until late June with coronavirus about. Your email address will not be published. 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. White LEDs are increasingly popular and are becoming ubiquitous in our society. However, in order to most closely follow the typical specifier selection process, those were the street lights NLPIP purchased and evaluated. There are many variables, so lets dig in! Pingback: Electric Sky LEDs: The Next Generation of Grow Technology? 32 plants were used for each spectrum, which means this is a very accurate test. Below are two graphs from a leading purple grow light manufacturer, A phosphor spreads light across many colors like a prism. I’ve been growing for over 20 years, the last 8 years indoors so as you can imagine I have had about every kind of light imaginable. This way we can pick up the full benefit of the plant photosystems (I & II) that reside at 680nm and 700nm. This product adopt the high power LED as the light source, using dozens of high power DMX Emitters of 1 watt LED. Pour la culture du cannabis, les lampes HPS ont été le choix de base pour les cultivateurs du monde entier. I purchased the es180’s, 3 of them for my 4×4 tent and I connot believe the growth. As we’ve already said, a lumen is a unit of brightness and it represents a simple and easy way of determining how much light a single bulb is capable of exerting. Simply take your current incandescent watts and select the corresponding LED bulb equivalent on the lumens brightness scale. Different colors of light cause different characteristics to come out in plants. 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