LED vs HPS grow lights


Growing indoor plants with LED grow lights are one of the most popular topics nowdays. There are only a few growers who are using LED Grow Lights, though, but their numbers are increasing rapidly every day. Taking this into account,its not surprising that there are various questions about them and people wonder if they really are better than HPS Grow lights. Do they save money? Do you make up for the high cost of setting up LED grow lights when saving electricity bill ? Do LED grow lights even flower Summer crops when you need them too? It seems that LED grow lights might be better for both your wallet and the environment, so why not take a closer look at the difference between LED Vs HPS grow lights? A lot of people think that it sounds too good to be true, but the truth is that there are very good reasons to choose LED lights. Regardless of what the manufacturers say with rightly claims, there is a central truth that we can show you.


Light Intensity. 

A lot of people worry about the kind of intensity that LED grow lights provide. Compared to HPS lights, the intensity is near even. What stands out is that LED lights can’t compete when measured based on standards for these kinds of lights. LED lights, in tests, out perform HPS lights every time, even if they don’t seem to actually produce a more intense light. When testing them, LED grow lights were able to produce an even yield and seem to show that future advances in the technology will help increase the yield even more, especially when compared to HPS lights.


Heat.

If you are using HPS grow lights and have to constantly battle heat, LED grow lights offer an incredible advantage. Rather than spending extra money circulating air and attempting to cool it enough to not burn your plants, LED lights can nearly touch your plants without harming them in any way. Of course, if you grow in a cold weather, HPS lights might still be beneficial, although it might often be easier to simply heat the grow room, rather than run the risk of using HPS lighting systems. The heat output of LED grow lights might increase as they grow larger and larger, but the current kinds used by many growers are warm to the touch, with none of the burning heat that conventional grow lights offer.


Yield.

LED grow lights have been tested on yield time and time again. Overall, most indoor growers that use HPS lights achieve a yield of 0.5 grams per watt. For comparison, LED grow lights usually achieve 1g to 1.5g per watt, making them up to three times more effective. With each harvest, you will have three times the product that you would otherwise!


Lifespan. 

The average HPS setup lasts for around 10,000 hours. That is a long time when it comes to growing, but LED grow lights take it so much further. An LED light setup last for 50,000-100,000 hours. That works out to 10 YEARS of quality indoor growing that is cheaper, more efficient, and easier than ever.


Multi-functionality.

LED grow lights, compared to HPS lights, are much more versatile. The bulky HPS lights don’t offer much in terms of polyfunctional. LED lights, however, can be positioned around your plants and relatively close, due to the lack of heat that comes off of them.


Type Of Light.

 The type of light that LED lights put out as well is specifically tailored for the flowering and vegetative stages of growth. HPS lights put out the entire wavelength, but LED lights focus on blue and red spectrums that fit the needs of the plant and makes sure that every bit of light is used specifically for a phase of the growth process.


Efficiency. 

 LED diodes are very electrically efficient, which could save your money as time goes on(though people are still discussing when it comes to whether LEDs get better yields than HPS watt-for-watt). Additionally, where an HPS bulb needs to be replaced every few grows to maintain its brightness, individual LED diodes keep their brightness practically forever. With an LED grow light, it's almost certain something else will break on the lamp before any diodes start losing their brightness.


Plug-And-Play.

LED grow lights are plug-and-play which means you can simply hang up the lamp over your plants and plug it directly into any standard electrical socket. HPS lighting requires the use of a ballast; for smaller models it can be built-in, but larger HPS lights generally need a brick-sized external ballast.


LED Grow Lights Come With Built-In Cooling.

Along the lines of being totally plug-and-play, most LED lamps have heatsinks and small built-in fans to help disperse heat up and away from the lamp, which lets them run cooler. On the other hand, even a small HPS bulb needs extra help for cooling, usually by venting out hot air using a fan and ducting.


Customized Color Spectrum.

 It is known that the color spectrum of light affects how plants grow. Unlike other grow lights which are pretty set in their color spectrum, each LED diode can be configured to emit light of a very specific color spectrum chosen by the user. This means that LED grow light color spectrums can be adjusted and customized in a modular way that’s impossible to achieve with any other grow light.


Looking at an analysis of a leading HPS grow light we see the following spectrum:

LED Grow light and LED Flood Light by Aladdin precision lighting

LED Grow light and LED Flood Light by Aladdin precision lighting

The red and blue light essential for plant growth is not remarkable in HPS grow lights. Worse yet, most of the light falls within the green(500-550nm)/yellow(560-590nm) wavelengths, which is simply reflected and not useful for the plant.


Looking at the analysis of our LED grow light we see:

LED Grow light and LED Flood Light by Aladdin precision lighting

LED Grow light and LED Flood Light by Aladdin precision lighting

With LED lighting, we are able to pick and choose a very specific spectrum of led, allowing for optimisation. LED lights can be any wavelength you like for the purpose of light therapy, or for grow lights – the exact spectrum the plants growth needs.


The Verdict


LED and HPS growth lights: should not need to say, but if you look at these aspects, no doubt, LED lights will be higher than the current HPS lamp efficiency. Of course, some people trust their old HPS settings and have achieved great success, but if you can afford this switch, it is worth it. Use these lamps to easily find higher efficiency, effectiveness and overall product.

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