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Old 02-23-2007, 11:20 PM   #1
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Light Dimming

I'm wondering if anyone has ever done a sunrise/sunset type of effect where the lights turn on or off slowly over a period of time instead of going from 100% on to 0% off.

These are for VHO fluorescent lights (probably similar to these here).
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Old 02-23-2007, 11:52 PM   #2
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Yes..Iv'e seen a DIY fixture over a SW 180gal that was made with about 8 or 10 bulbs of different types and wattages, each on it's own timer...In this situation, the tank was built into the wall, with all the equipment accessed from a closet behind... the fixture was never seen from the front of the tank....The effect was way cool
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http://www.aquariumadvice.com/viewtopic.php?t=95417
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Old 02-24-2007, 12:03 AM   #3
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Did the lights turn on/off one at a time or did the lights actually get dimmer?
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Old 02-24-2007, 01:07 AM   #4
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They turned on separately...I dont know what the wattage was on the 1st bulb but it was really dim, and had a pinkish hue...after the 3rd bulb turned on the 1st turned off...at high noon all but the 1st 2 and last 2 bulbs where on...12 hours of light to mimic 24
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40gal community - wet/dry/sump -1.8wpg - planted w/Brazilian Sword,Melon Sword,Anacharis,Bannana plant,Crypt,Hornwort,Java moss
Fish - 3 Neons-1 Chocolate Albino Pleco-1 Gold Spot Pleco-2 Lavender Gouramis

55 gal QT/Breeder/Experiment
http://www.aquariumadvice.com/viewtopic.php?t=91209
http://www.aquariumadvice.com/viewtopic.php?t=95417
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Old 02-25-2007, 09:04 AM   #5
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Do you have the link redswi?
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Old 02-25-2007, 01:07 PM   #6
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No link...I was at the house installing some cabinets....I'll see if I can get the wiring diagram from him
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40gal community - wet/dry/sump -1.8wpg - planted w/Brazilian Sword,Melon Sword,Anacharis,Bannana plant,Crypt,Hornwort,Java moss
Fish - 3 Neons-1 Chocolate Albino Pleco-1 Gold Spot Pleco-2 Lavender Gouramis

55 gal QT/Breeder/Experiment
http://www.aquariumadvice.com/viewtopic.php?t=91209
http://www.aquariumadvice.com/viewtopic.php?t=95417
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Old 02-25-2007, 02:13 PM   #7
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You can also go this route. It's not cheap but they work really nice.
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