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Old 06-05-2008, 01:42 PM   #1
nephrurus
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actinic lights


can someone explain to me what actinic light does
or does it do anything other than light up the tank.
How do i get the neon colors in my tank pop
are there different moon lights that do that or are there
different actinic lights that do that???

I know this may seem dumb
but i really do not know.
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Old 06-05-2008, 02:19 PM   #2
Fat Tony
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your actinics are what cause the colors to pop.. that is pretty much their only function.
what type of actincs do you currently have??
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Old 06-05-2008, 02:40 PM   #3
nephrurus
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i will look tonight they already were in this new light i bought
I am also not sure what kinda light this is so i will take
pics of it too.
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Old 06-05-2008, 02:54 PM   #4
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Actinic lighting is the "dimming" effect of the sun going down and moon lights would be well...the moon light effect lol. Actinics and moon lights make your neon corals glow because at night my orange digitata looks like a glowing red mass from across the room
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Old 06-05-2008, 03:03 PM   #5
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LOL.. i just read the other thread you made when you got the light.. it's T5's for actinics. You say you have 20K bulbs in the halides right? well i would use a true actinic Geisseman bulb, you can get Geisseman at Aquarium Oddites..
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Old 06-05-2008, 03:10 PM   #6
nephrurus
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ok... this light came with 2 extra t5 actinic
lights, maybe i can trade them out or something
when you say true actinic
what does that mean
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Old 06-05-2008, 03:57 PM   #7
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they have different bulbs. Such as True Actinic, Actinic Plus, etc.. get the true actinics... they are the one you will want.
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Old 06-06-2008, 09:37 PM   #8
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Actinic light promotes the growth of Zoaxanthellae algae, essential for the growth and well-being of all photosynthetic corals and invertebrates (not macro algae). However, Actinic and strong blue spectrum lighting is visibly blue and will definitely need a full spectrum bulb to help offset the color distortion.
If your reef or marine tank appears too blue, balance its visible spectrum with a more intense daylight bulb or add another daylight bulb to the group. 5,000K-6,000K is usually pretty good. However, remember that macro algae can be a problem. Too much "daylight" (with enhanced red spectrum) will promote plant growth, and macro-algae responds similarly. A good rule of thumb is to use one actinic lamp and one or two daylight lamps for each 30 gallons of water.
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Old 06-06-2008, 09:39 PM   #9
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and as tony stated, the geisman i believe actually have par value to contribute. i think around 210-225.
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Old 06-06-2008, 09:40 PM   #10
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Isn't 14000k like the "inbetween" spectrum? I use that with no supplementation I didn't know if that was bad or not lol
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Old 06-07-2008, 10:00 AM   #11
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well...


a tank doesnt necessarily need actinic supplementation like Big T suggested, but it has its place in marine aquaria. its is more aesthetic than beneficial as the algae produced internally within the host coral will come from the photo synthetic light(albiet bulbs or natural sunlight) . but alot of the combination bulbs (esp t5) actually give par value to your tank.
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Old 03-27-2010, 04:40 AM   #12
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Im upgrading the power compaq on my 45 gallon this weekend, my canopy is just about done. I'm installing one 250W Metal Halide 10K german bulb, and two T5HO Actinic@ 39W each for a total of 328Watt's. I have All soft corals, a large purple tang, a marine beta, and a few clown's. Does this setup sound like over kill? A lady that owns a fish store here in NC said I need to Allways match the wattage of the Actinic with the Metal Halide. Then another petshop said I just need enough Actinic to offset the bright white of the Halide.

Any input on this you guys have would be great.. TY in advance.
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