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Fluorescent or hid Comaparison

Should I use fluorescent or hid?

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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

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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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On a 4 2x2 fluorescent. The inverter shots up wen turning them on and a alarm and red light come on.


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Dec 28, 2015 | Inverter Electronics - Others

3 Answers

Where buy ETU HS s11w 6500k Tube Fluorescent?


Hi Alex...
The most trusted site is amazon (for buying parts and items), so I have found this Amazon com 11w 6500k Tube Fluorescent
take a look, and see which one fits. enjoy

Apr 28, 2014 | Coleman Cable Twin-Tube Fluorescent...

1 Answer

Fixture not working after bulb change


"CFLs" Compact Fluorescent Bulbs (with built in ballast) must be labeled as dimmable to be used on a dimmer circuit.

Traditional fluorescent fixtures must have a dimmable ballast installed inside and can be used with standard fluorescent lamps.

Fluorescent lamps must be sized to match the ballast. CFL's are matched at the factory, but others are not. Older fluorescent lamp fixtures have a ballast inside. A type rating is to operate (2) 48 inch / 40 watt lamps. Newer fluorescent lamps are rated for 32 watts, and these will not work - or will have a greatly reduced life.

If you installed CFL's, the first thing I would do is install regular incandescent lamps and see if it works as expected. If not, something else is wrong - otherwise - make sure you've got the right lamps in the fixture.

Mar 17, 2014 | Electrical Supplies

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There are dozens of different fluorescent lights to choose from, how could I pick the right one?


A small percentage of the dozens fluorescent lights available are appropriate for aquarium use. You should look for industrial, daylight, plant growth, actinic or tri-phosphor fluorescent light.

Aug 21, 2012 | Fish

1 Answer

How do aquarium fluorescent lights work?


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.

Aug 21, 2012 | Fish

1 Answer

Are there different types of fluorescent aquarium lighting?


There are four types of fluorescent aquarium lighting: compact fluorescent, normal output (NO), very high output (VHO) and T5 HO high output.

Aug 14, 2012 | Fish

1 Answer

Hunt dimming fd


Ok - a couple of things, first - when a dimmer is set to minimum; zero to a barely perceptible level of light output is expected. Second, fluorescent lamps have a much shorter range of dimming that the standard incandescent lamps have. It is not unusual for a fluorescent lamp to remain off until the dimmer is at or above the half way point in the dimmer's range. Third, you can not dim a fluorescent lamp or fixture unless the lamp or fixture is specifically labeled as being "dimmable". Use of a dimmer to control brightness of fluorescent lamps and fixtures that do not clearly indicate they are designed for dimming or to control the speed of motors like those in "paddle fan & light fixtures" creates a dangerous fire hazard condition. Most CFL (compact fluorescent lamps) that readily replace the screw-in incandescent type lamps and are clearly labeled as dimmable, can be used with a standard dimmer. The traditional (non-CFL) fluorescent fixtures that have a internally mounted and hard wired internal ballast need a special dimmable ballast to operate.

Good luck!

Feb 02, 2012 | Philips Electrical Supplies

1 Answer

A 40 W fluorescent lamp gives out more light than a 4o W filament bulb.explain whether the fluorescent lamp is actually using electrical energy at the same rate as the filament bulb??


The lamps are both using 40 watts of energy, but the fluorescent lamp gives more lumens (visible light measurement) than the incandescent.
Fluorescent gives at least 5000 lumens for 100 watts.
Incandescent gives 1750 lumens for 100 watts.
You can see that if you had a 100 watt incandescent, it would be 1750 and you would only need 35 watts of flourescent.
Gary

Feb 19, 2011 | Vacuums

1 Answer

What are the white balance modes available with the camera?


The following White balance settings are available for the A2: AUTO, Preset (Daylight, Tungsten, Fluorescent, Shade, Cloudy, Flash and Custom1 to 3) The following slight adjustment is possible: * At setting Daylight, Tungsten, Shade, Cloudy and Flash: +3 to -3 (one unit is approximately equal to a 10 mired shift.) *At fluorescent lamp setting: equivalent to 7 fluorescent lamp(3 -wavelength colored fluorescent bulb, 3-wavelength white fluorescent lamp, 3-wavelength neutral white fluorescent lamp, 3-wavelength daylight fluorescent lamp, white fluorescent, neutral white fluorescent, daylight fluorescent lamp)

Sep 15, 2005 | Konica Minolta DiMAGE A2 Digital Camera

1 Answer

What are the white balance modes available with the camera?


The following White balance settings are available for the A1: AUTO, Preset (Daylight, Tungsten, Fluorescent, Shade, Cloudy, Flash and Custom1 to 3) The following slight adjustment is possible: * At setting Daylight, Tungsten, Shade, Cloudy and Flash: +3 to -3 (one unit is approximately equal to a 10 mired shift.) *At fluorescent lamp setting: equivalent to 7 fluorescent lamp(3 -wavelength colored fluorescent bulb, 3 wavelength white fluorescent lamp, 3 -wavelength neutral white fluorescent lamp, 3-wavelength daylight fluorescent lamp, white fluorescent, neutral white fluorescent, daylight fluorescent lamp)

Sep 15, 2005 | Konica Minolta DiMAGE A1 Digital Camera

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