2015年3月27日星期五

Controller and designable led grow lights




Having read of all the good features that LED grow light offer, it is now time to see how to actually go about the business of setting up your own indoor garden using LED lights. To be fair, you may already have a garden, and if so, can skip some of the steps that you may already have completed.

Irrespective of whether you are a gardening pro (with other types of grow lights), or a beginner, you must first the features that make a good LED grow light. Otherwise, you may end up suffering losses of time, money, enthusiasm and of course, precious seed/plants.

# Light Intensity, Wattage and Lamp Size
 it is clear that LEDs consume much lower power than other bulbs. This means that LEDs should ideally have a much lower wattage than conventional HIDs (as indicated in a table below. However, it is equally true that the minimum wattage of the individual LED should not be less than 1W if it is to have sufficient penetrative power. Mind you, by individual LED we mean each LED lamp and not the whole array. Hence, an effective LED array of 300 lamps will not be lower than 300W, even when LED lights used for purposes other than growing prove useful at lower power ratings.

More troublesome can be the lamp size. Experts believe that lamps smaller than 10mm are not capable of producing sufficient luminosity. In other words, all lamps of the array need to be of this size irrespective of the light color they are producing. The sad part is that it is extremely difficult to measure this out without precision apparatus, so if you’ve purchased a LED grow light array and there is no mention of the individual lamp size, there is not much that can be done about it. To be safe than sorry, it is better to inquire with store owners and experienced growers regarding the companies which do adhere to this rule, and the ones which share this information on the package. Conversely, if you find this information on the package and see that the details are verified by a reliable authority (see below), you can consider the manufacturer to be truthful and dependable.

# A Spectrum That Can Be Adjusted As Per Need

While analyzing the benefits of LED lights, we mentioned that LED lights can be tailored to meet the exact spectrum needs of the plants. This holds true for the same plant during the different phases of its growth as well. However, adjustment of the spectrum to suit the plant’s growth needs is not as simple as switching off one type of light (say blue during the flowering period), because the change must be gradual, like the seasons themselves.

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