There are many different types of grow lights available for indoor gardening. LED plant grow lights use a combination of red and blue LEDs. They are often arranged on a panel and placed close to the plants. You will see HID, high intensity discharge; MH, metal halide; and HPS, high pressure sodium, grow lamps advertised for use in greenhouses and all types of indoor plant growing situations. LED grow lights are also now available, and offer a superior solution to indoor plant lighting than was previously available.
1) LED plant grow Lights Grows Plants Faster than HPS.
Various studies show that LED grow lights are a superior technology when it comes to growing plants, better and faster. For example, the University of Minnesota, Department of Horticultural Science conducted a study which compared High Pressure Sodium lights and LED grow lights. They measured the mean height of two plants over seven weeks that were grown under both lights. The plants that grew using LED lights, ended up growing much higher than HPS. The difference in height were not tremendous, but when you’re growing an indoor garden, every inch makes a difference.
2) LED Lights Cost Less To Operate Than HPS Light Bulbs.
Although the initial purchase price of an LED light is often more expensive than an HPS light, there is a big price difference is the cost of operating the different grow lamps. Superior LED grow lights use only one-eighth the electricity to produce the same amount of light as an HPS grow lamp, saving you much money over the life of the grow light. The tiny LED diodes can also be configured by the manufacturer in order to offer a larger lit area than traditional grow lamps.
3) LED grow is more light weight than HID and HPS.
The LED grow light is quite a bit lighter in weight than other types of traditional grow lamps. This is because HID, MH and HPS lights all require the use of a ballast in order for them to function properly. Reflectors, to cast a larger pool of light on the plants, are also used with HPS light bulbs and others, adding to the bulk of the equipment. Because the lights are usually suspended in some fashion over the plants, weight is an important consideration, especially if lights must be regularly raised and lowered for plant maintenance chores, such as watering, to occur, as well as an appropriate distance from the plants to be adhered to. With certain high-end LED grow lights, they come with built-in fans, negating the need for air-cooled reflectors and ducting.
4) Ability To Change Light Spectrum.
Plants grow best under certain light spectrums based on the plants' stages of growth. Young seedlings get the light they need to grow strong and sturdy stems when they are grown under the blue light spectrum offered by HPS lights, among others. Mature plants that are ready to reproduce and set fruit or flowers require light in the red and orange spectrum, which certain HPS lights make available. You can find an HPS light bulb that is geared toward blue or red spectrum, but it does not have the ability to offer both spectrums. This means that you will need to start out with one grow lamp bulb, and then will need to change it out as the plants mature.
All of this is simpler when you use an LED grow light. LED grow lights offer you a single lamp that will produce both red and blue light spectrums. Better quality LED grow lights utilize knobs that you simply turn to change the spectrum of the bulb.
If you can afford LED plant grow lights, then that’s the better option. Your plants will grow faster, higher, longer and more efficiently than either High Pressure Sodium lights or Metal Halide lights.
This article is powered by Susan Slobac from ezine Articles.
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