Question about Sun System 600 Hps Cool Grow Light System 600w Hps Garden Grow Light Systems
Should I use fluorescent or hid?
Until the early 1980's most indoor growers used fluorescent lights to illuminate their garden. These tubes have tremendous advantages over incandescents. They emit about 3 times as much light as an incandescent (given the same wattage), and the light spectrum is one that plants con use more effectively. However, they do certainly have their limitations. Light is emitted over a large area, so it is not concentrated. Because of this, the lights have to be hung very close to the plants (usually within 2" or so from the grow tips), and constantly moved to accommodate plant growth. This makes garden maintenance rather difficult, even when the lamps are hung on chains. Florescents are, however, very useful in cloning, and starting seedlings. Because in these stages, a plant is not growing vertically very quickly, the disadvantages of moving the lights are reduced. They also put out a more gentle light than the HID lamps, and release less heat. The fact that they produce less heat is very important to those growing in enclosed and not-especially-well ventilated spaces. If you choose to use fluorescents, it is best to purchase the 'cool white' variety. The ones that are sold as grow lamps (including grow-lux, vitalite, etc.) are much less efficient than a standard fluorescent, and just do not put out enough light to be useful. The slightly different spectrum produced by these lamps does nothing for most plants. Some growers have reported excellent results by using a mixture of cool-white and warm-white lamps in a florescent fixture.
Posted on Aug 27, 2008
They make full spectrum florescent tubes that are supposed to be marvelous. I havent tried them personally. I've used standard florescent cool white tubes and was not too impressed. I currently use 1000 watt metal halide for veg and 1000 watt HPS for flowering and I can report excellent results at harvest time,...however, I pay for it with the increased power bills and the cost of fans, ducting, etc to cool the HID lights as they produce a lot more heat. If your garden is "less than legal", infrared heat signitures are something to think about as well. From a helicopter using infrared, a 1000 watt HID light puts off more heat than any appliance in your home. They WILL know what it is. Infrared insulation is one more expense if required. HINT - A 400 watt HID light looks just like a household oven or clothes dryer from the air on infrared. Just sayin.......
Posted on Apr 13, 2016
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Posted on Jan 02, 2017
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Aquarium fluorescent lights work just like an ordinary fluorescent light. An anode and a cathode located at opposite ends of a glass tube. Inside the tube there is a partial vacuum and a small amount of mercury vapor which produce a light when energized.
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