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Differences in Grow Lights (82)


Natural sunshine is essential in growing vegetation, to simulate this, grow lights are utilized in hydroponics which is the growing of crops without any soil. Numerous ranges of color spectrum are centered by these grow lights that are useful to plant growth as these lights usually do not totally duplicate sunshine.

Understanding the variations in grow lights and just how they perform demands a little understanding concerning the spectrum of light and color. Scientifically, color is measured as "temperature" in the same way to heat, except that larger color temperatures appear "much cooler", and lower temperatures appear "hotter." Usually, color temperature is measured in degrees Kelvin (K). (Once again, actual heat just isn't being measured here.) In easier terms, so as to enhance plant foliage, a greater temperature that ought to be cooler are inclined toward blue on the spectrum which is 5000K and above, whilst to promote flowering/budding and vertical growth, a lower temperature that is supposed to be warmer tend in the direction of orange-red that is 2700K and below. To manage to balance the growth of crops, a lighting mixture giving off both cool and warm color needs to be employed due to the fact natural sunshine has a extensive spectrum heavy on the blue range but also contains orange-red.

Grow lights normally fall into four categories: High Intensity Discharge (HID), fluorescent, incandescent and LED. The following would be the most typical forms of grow lights:

METAL HALIDE (MH)

It's an HID bulb which highlights the blue end of the spectrum (which range from 2700-5500K), and is wonderful for leafy plant growth. Should you only have one sort of grow light, this is the best option, as it is closest to natural sunlight.

HIGH PRESSURE SODIUM (HPS)

This is an HID bulb that provides orange-red color temperatures around 2200K, excellent for blooming and not good for foliage. This bulb is excellent if used as a supplement to a natural sunlight or even in conjunction with MH bulbs which is not excellent to make use of on its own.

FLUORESCENT BULBS

Fluorescents are available in many intensities and color ranges. Temperatures that are warmer or cooler are that of a common fluorescent or high-output fluorescents are available in, it may also be combined. Regular bulbs can be placed closer to the crops because they give off low heat. Fluorescents are usually cheaper and lower, however when employed effectively, they are able to come in close proximity to HID bulbs in terms of success.

INCANDESCENT BULBS

Incandescents are the the very least popular selection simply because they burn hot, can't be positioned in close proximity to crops, and they are the least comparable to day light. However, knowing what you really are doing, these can be used as a supplement lighting for individual plants as you'll find color corrected incandescents offered in the market recently.

LED LIGHTS

The modern grow light choice offered. These kinds of lights can be put close to the crops because these produce almost no heat but are said to cover the full color spectrum for plants, these LED lighting is lately created. Therefore, this may not be one of the most cost-effective choice considering that they're actually costly which is nevertheless debatable regardless of whether LED produces greater results than grow lights which are traditional.
Date Published: Apr 13, 2010 - 5:05 am



Selecting the Best Hydroponic Lights (52)


Hydroponic lights, or grow lights as they're usually called, come in many varieties and can be utilized in combination with one another to achieve the best results. If you're using natural sunlight in any way, the grow lights shall be used to supplement natural light; if you're using solely artificial lighting, your setup will naturally be a tad more elaborate.

It's important to understand the principle of color temperature and its effect on plant life if you're setting up hydroponic lighting. Not to be confused with heat/cold, color temperature refers to the color spectrum of light, and is measured in degrees Kelvin. Blue light - at about 6000K - is perceived as the coolest while red-orange light - at the 2000K range - is considered the warmest. Generally speaking, full-vegetation plants do well with the darker blue spectrum (closest to normal sunlight at 6000K), while fruit/flowering plants thrive with slightly warmer color temperatures (4800K). Also, know that plants draw from the red-orange part of the spectrum in the reproductive stage. In an optimal lighting setup, your hydroponic lights shall cover a blend of these color temperatures best suited for the plants you are growing.

The most common kind of bulb utilized in hydroponic lighting is the Metal Halide (MH) bulb. Since this High-Intensity Discharge (HID) light mimics direct sunlight the most - leaning more towards the blues - this is most preferred in any growing situation. Of course, leafy, full-vegetation plants thrive with MH bulbs.

The High Pressure Sodium (HPS) bulb is yet another HID bulb. This bulb tends to produce the orange-red light approximately on the 2200K mark, and is good for flowering plants, but not very good in itself as an artificial lighting substitute. It should generally be used in combination with natural sunlight or other artificial bulbs.

Flourescent lighting is your 3rd alternative. The advantage with fluorescents is that although they're less intense, they are less costly, can be placed close to the plants because of their low emission of heat, and in combination with one another, can cover the color temperature spectrum fairly well.

Other kinds of grow lights include incandescent lighting, which can be problematic because they're not as intense and get too warm to be placed close to the plants; and more recently, LED lights, which claim to cover the spectrum just as fine and emit almost no heat, but are a bit expensive and not as cost-effective as the other options.

As shown above, you actually have a wide range of hydroponic lights from which to choose from. The combination that is ideal for your garden can be determined with your retailer.
Date Published: Dec 23, 2009 - 11:40 pm



Selecting the Appropriate Grow Light (39)


In hydroponics, natural sunlight is replaced by specialized "grow lights" which are designed to emit the spectrum that the plant needs most. What type of grow light (or combination of grow lights) you need will depend largely on what plants you are growing, and what plant behavior you are trying to elicit.

First, it is essential to have a background about color temperature in order to fully comprehend the concept of grow lights. When referring to "temperature" with plant lighting, we're not talking about heat, but about color. Just as in other applications of heat and cold, the color spectrum is measured in degrees Kelvin - but the distinction is, higher temperatures are considered "cooler," and lower ones, "warmer." The temperatures ranging above 5000K most resemble the intensity and color of sunlight, and are blue on the color spectrum. The yellows, oranges and reds are actually lower temperatures, 2700K and below. The importance of this spectrum is that flowering and fruiting plants tend to do better under slightly cooler color temperatures usually around 4800K, which is still considered in the "blue" zone but leafy vegetation does better in the 6000K range (essentially full sunlight). Furthermore, when plants are flowering and reproducing, hey're drawing more from the orange-red color temperatures, about 2700K. With this, it is understandable that the right grow light is very important to a plant's well-being.

The three most common types of grow light used in hydroponic gardens are designed toward the color temperatures most needed by plant life. One of the most popular kinds is the Metal Halide bulb. A High-Intensity Discharge (HID) bulb, Metal Halide bulbs range from 2700-5500K and are the closest to true sunlight that money can buy. These are particularly great for leafy plants. The High Pressure Sodium bulb (also another HID bulb) is your second option. These bulbs emit the orange-red part of the spectrum (around 2200K) and are most suited for flowering, but do not encourage full foliage. They're not generally used by themselves, but in combination with other bulbs and/or natural light. Of course, don't take your focus away from the 3rd most common bulb - the fluorescent, both high- and low-output. Even if they're not as intense as the HID bulbs, they remain a wise choice especially because of the fact that since they emit so little heat, they can be placed close to the plants.

At present, there are already available LED bulbs that promise to cover the full range o the color spectrum, without the issue on heat. However, they're quite expensive, and in some circles, it's believed that you can get the same results with the lesser expensive fluorescent bulbs.

To conclude, many hydroponic growing rooms today use a combination of different bulbs for the various stages of plant growth. Refer to your retailer for the best grow light combination that can answer your needs.
Date Published: Dec 23, 2009 - 8:49 am


The Different Grow Lights In Hydroponics (20)


While natural light is essential for plant growth in hydroponic gardening, it may well be substituted by artificial lighting. Grow lights, as they are referred to, are effective in replacing daylight for plant growth. Standard incandescent lights do not work well for this purpose because plants need a certain intensity of light for the different stages of growth. (Consider that you need to emulate sunlight as much as possible.) Usually, hydroponic plants do well with High Intensity Discharge (HID) bulbs, two of which are discussed below. Along with the two HID bulbs, here are the kinds of bulbs most commonly used for hydroponic growth.

Metal Halide Bulbs (MH)
Arguably the most highly recognized HID-type bulb, metal halide bulbs produce the closest emulation of summer sunlight available, and generate the spectral colors plants thrive on most most particularly the blues, which are ideal for vegetative growth. MH bulbs tend to die out gradually and need to be replaced before they actually burn out, because they eventually don't produce enough lumens to help the plants anymore. Good thing that they're long-lasting, having an average life of 10,000 hours, or a year.

High Pressure Sodium Bulbs (HPS)
The other HID-type bulb, the high pressure sodium bulb, is most appropriate for supplementary lighting, used in combination with natural sunlight. HPS bulbs are great at emitting the orange-red part of the spectrum - ideal for flowering plants. Compared to metal halide, HPS bulbs as grow lights are longer-lasting (on the average 18,000 hours) and are less expensive. The downside is, because they're deficient in blue light, HPS bulbs are not normally suggested as a replacement for natural light, nor as an alternative to metal halide. Rather, they'd do well in a greenhouse environment.

Fluorescent Bulbs
The fluorescent bulbs at present, as compared to the earlier days, are intense enough to produce enough lumens needed by hydroponic plants. This can be done either with high-output tubes or with a large number of lower-output tubes. Because they produce less heat than HID bulbs, they can then be placed closer to the plants, thereby making up for their "lack of intensity."

LED Grow Lights
LED bulbs are close to perfection: they're comparable in output to high pressure sodium bulbs, emit very little quantity of heat and are highly energy-efficient. The only downside is that they're expensive and promote slower growth. In fact, fluorescent grow lights can achieve the same results as LED bulbs, without the issue on money. So while they're the newest thing, the jury is basically still out on whether LED bulbs will be the wave of the future for grow lights.
Date Published: Dec 22, 2009 - 10:09 pm


About LED Grow Lights (91)


This is sort of dorky, but also kind of awesome... What is an LED? A light-emitting diode (LED) is an electronic light source presented as a practical electronic part in 1962. The foremost LEDs were most of the time used in costly equipment such as laboratory and electronics test equipment, then subsequently in TVs, radios, telephones, calculators, and even watches.

Now, LED's have all kinds of functional, not the least of which is indoor gardening. LED grow lights are applied in the most popular form of indoor gardening, hydroponics. When plants are grown outdoors, they need the nutrient giving sun to provide them with a complete light spectrum range.

But, sun is not sufficient enough indoors so it should be augmented so hydroponic lights are applied to mimic what the sun's light spectrum can offer plants. sun is produced when photons, contained by the atoms, run around or change electron positions, as you would recognize if you review your noesis of physics and chemistry. This perpetual process generates sunshine. With the help of electricity, reproducing this process is the way how LED grow lights work. There are certain spectrum's that a plant cannot use, such as green light spectrums, so man-made indoor light with that spectrum are wasted on plants, even though the sun itself creates light in all spectrums.

With hydroponic lights, though, this isn't always the case. Some indoor grow lights are designed with making a certain spectrum, commonly either red or blue, while others are full-spectrum grow lamps right for all levels of plant growth. What this entails is that if you are cultivating seedlings on to adulthood, it may be necessary to have different hydroponic lights available to be able to provide them the right light spectrum they require when they need it. Be conscious of what you are growing and what light spectrum your plant requires prior to purchasing LED grow lights.
Date Published: Nov 25, 2009 - 11:49 am


Grow Lights to Grow Plants


Using grow lights is the best process to grow crops in your own home when there is no garden or yard to cultivate your plants.

With the help of this guide, you can easily begin growing your own plants within hours.

Basically, you would need to comprehend the concept and functions of these lights

These lights were made for indoor plants Since the plants won't be getting the sunlight that they get in a garden or yard, synthetic lighting will recreate a plant's normal environment and provide all of the light that it needs for photosynthesis (the process through which plants get their energy)..

remember that each plants, based on their own individual environments, vary in the levels of light required. Before you run out to purchase a light, read up on where your desired plant is typically grown and the amount of light it needs to live.

Then, you'll have to know the different types of lights on the market.

Incandescent light bulbs are the least effective and least energy efficient. While they may provide some light, they are basically used as a "heating light" and consume more electricity than the other lights available.

Fluorescent lights are the most efficient and is the commonly used grow lights on the market. These lights last up to 20,000 hours and provide a perfect environment to take care of all types of plants. For larger crops, it is advised to use bright lights while the dimmer ones are suitable for growing vegetables.

LED lights over fluorescent lights are seen( to be more effective when it comes to growing vegetation despite the fact that its new. These lights are affordable, energy-savers and only emanates colors that the plants need.

Once you have purchased the light, it is time to start setting up your own indoor garden.

Remember, the bigger the plant, the more light it needs. Since there are plants that require light and darkness, many of these lights are installed with timed mechanisms.

You will also want to retrieve as much out of your lights as you possibly can so it is better to buy eflectors for your lights, not just bulbs. They are perfect in increasing the amount of light from one bulb.

These grow lights are perfect when you want to grow your own organic vegetables, practice your green thumb or grow beautiful plants.

Enjoy gardening!


Date Published: Nov 24, 2009 - 8:29 am


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Date Published: Nov 24, 2009 - 5:07 am


 
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