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How Full Spectrum LED Grow Lights Work

Plants evolved in the outdoors thriving on nutrients, water, and sunlight. When we bring plants indoors, it becomes our responsibility to see that the plants get the same support indoors as is provided by nature outdoors. The biggest challenge—and the most misunderstood—is giving them the amount and quality of light they need.

Natural sunlight has wavelengths that range from gamma- and X-rays (both blocked by Earth's atmosphere) and ultraviolet (UV) through the visible spectrum including infrared (IR) and low-frequency radio waves. While plants primarily use the visible part of the spectrum (with UV benefiting some aspects of plant growth such as active compounds, and some IR helping the plant to better use visible light), providing the right quality and quantity of the light a plant requires has been a problem when using artificial light.

Enter LED lighting.

Full Spectrum LED Lights have revolutionized indoor gardening.

High pressure sodium (HPS) and fluorescent grow lights, the type that have been around for a long time, can't match sunlight's spectral distribution. LED lights, on the other hand, are made with multiple diodes, each of which is tuned to a specific part of the spectrum. By combining diodes in the right ratio, full spectrum grow lights can be configured to provide the precise wavelengths plants need to thrive in all stages of their growing cycle.

Spectral distribution is important to optimal plant growth because different wavelengths affect different parts of the growing cycle. Blue light stimulates vegetative growth, resulting in leafy plants that can support plenty of budding and flowering. Red light promotes buds and flowers. But too much of a good thing can actually impede optimal growth. Too much blue can cause bushy plants with fewer buds, and too much red can inhibit vegetative growth and result in weak plants. Green light doesn't have as much effect on plant growth, but it is still important for plants and completes the visible spectrum generating white light that replicates the natural light of the sun. Plus it makes inspecting your plants for diseases and other problems much easier.

Since each diode of an LED array gives off a narrow band of the spectrum, they can be designed to replicate the parts of natural sunlight used for plant growth nearly exactly—something that's impossible with other forms of artificial lighting. Add to that the fact that LED grow lights consume much less power, last a lot longer, and give off much less heat and you have the ideal light source for indoor gardening.

Black Dog LED's proprietary full-cycle Phyto-Genesis Spectrum™ grow lights have been exclusively developed in our own research and engineering labs and gardens to eliminate the need for separate vegetative and flowering grow lights. Our full spectrum grow lights have the most consistent coverage, largest footprints, and most reliable and highest quality lights available in the grow light industry.

Black Dog LED's Universal Series of 5w LED grow lights redefines expectations for yield and quality in indoor/greenhouse agriculture. These are absolutely the most powerful grow lights, watt for watt and chip for chip, in the world. At 750 true watts, the Universal Series Platinum XL-U is the most powerful all-5w LED grow light you can buy. Along with a custom housing designed to better distribute light and dissipate heat, the Platinum XL-U uses the highest quality, genuine 5w LEDs to deliver Black Dog LED's proprietary full-cycle Phyto-Genesis Spectrum™.

For almost 5 years Black Dog LED has set the standard for high-power full spectrum grow lights, combining performance, design and innovation unmatched in the indoor garden industry. We created the first LED grow light incorporating a full spectrum from UV to NIR. We are a 100% research-based company whose mission is to design the best indoor plant grow lights, outperforming all other HID, induction, plasma, fluorescent and LED grow lighting. We back all our claims with research and grow tests to ensure we never exaggerate, including coverage footprints.

All Black Dog LED lights come with a Limited Lifetime Warranty, so why waste your time and money on outdated technology when you can have industry-leading Black Dog LED grow lights and grow room accessories today? Visit our Universal Series page to learn more and make the move to LED grow lights for your indoor garden today.

4 thoughts on “How Full Spectrum LED Grow Lights Work”

  • Tom

    If the stroma of a plant opens a maximum at 85* and led's run cool. Then would it be necessary to heat the grow room to at least 83* when using any led lighting to get close to the maximum transpiration of the plant resulting in higher yields. If not why not? If so then how could they be more efficient than HID?

    Reply
    • Kevin

      Hello,
      The stomata in plant leaves open according to the leaf temperature, not the ambient air temperature. The leaf temperature is greatly affected by the spectrum of light being used as we demonstrate in our study of leaf surface temperature with different spectra. We do recommend growing and flowering at 85 degrees ambient temperature with our lights, but this does not usually require heating the grow room with anything other than our LED grow lights. While our LEDs do run cool, the light they put off still warms the grow room just as much as a heater of the same wattage-- just like every other light. Normally heating is not required- simply insulating the grow room walls will allow an 85 °F ambient temperature to be maintained without supplemental heating.
      The spectrum our lights produce is tailored specifically for photosynthetic efficiency in plants. Coupled with the inherent efficiency of LEDs, this allows our lights to be significantly more efficient than any HID bulb.

      Reply
  • Joe

    What LED wattage would be equal to 1000 HPS super hortilux in intensity lumens and color

    Reply
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