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Old 01-16-2012, 12:58 AM   #21
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i don't think you're gettign what i'm saying, the fact that the fixture has red is benificial to the growth of the coral. the red specturm might not be visible to aquatic life but it is not invisible to plant life which is what zooxanthellae.

having only red may seem like night but when all the lights are on the red still gets used.

i don't see your experiment holding ground.
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Old 01-16-2012, 01:04 AM   #22
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i don't think you're gettign what i'm saying, the fact that the fixture has red is benificial to the growth of the coral. the red specturm might not be visible to aquatic life but it is not invisible to plant life which is what zooxanthellae.

having only red may seem like night but when all the lights are on the red still gets used.

i don't see your experiment holding ground.
but in the ocean red gets completely filtered out by the sea water within the first couple feet of water.
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Old 01-16-2012, 01:19 AM   #23
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not completely filtered out, the reefs aren't deep enough to completly filter it all out. especially where SPS and LPRs are softies and leathers don't require so much light as they are deeper in the reef, tehrefore less red and green gets down but still some
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Old 01-16-2012, 10:29 AM   #24
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but is it enough to make an impact on the photosynthetic process of corals?
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Old 01-16-2012, 11:01 AM   #25
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From what I have read the red light is really only benefical to sps corals.
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Old 01-16-2012, 12:49 PM   #26
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but is it enough to make an impact on the photosynthetic process of corals?

yep every little bit helps, even the low lights that don't get alot of light still get some and for mushrooms it requiores very little light for that reason, because they usually live in the deeper parts of the reefs where more of the light is filtered out but SPS and LPS require more as they are higher up and closer to the surface where less light is filtered out and more red and green spectrum waves are present

thats why alot of the times we aim to use daylight bulbs and full spectrum, a reasom why KZ fiji purple is suck a great bulb. heres a link to a comparison of the purple plus and fiji purple. you'll notice the full spectrum and the spikes in blues greens and reds

KZ Fiji Purple vs. ATI Purple Plus | Reef Gizmo
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Old 01-16-2012, 10:43 PM   #27
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lol graphs dont mean anything to me.... i was hoping to see growth differences.
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Old 01-16-2012, 11:35 PM   #28
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did you ever think maybe the corals were reaching towards the light when the blue was on as a way to try and reach for more light because the blue was not actually feeding them, and maybe the reason the green was just opening up because the corals were being fed?
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Old 01-16-2012, 11:55 PM   #29
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did you ever think maybe the corals were reaching towards the light when the blue was on as a way to try and reach for more light because the blue was not actually feeding them, and maybe the reason the green was just opening up because the corals were being fed?
but red closed them up as if there was no light at all
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Old 01-17-2012, 12:09 AM   #30
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because according to the coral there is no lights, but the plant life on the coral is another story.

if you do some research on micro algaes and aquatic plants or even regular plants red and greens are some of the key light to make them grow.

aquatic life such as fish and inverts are blind to red light but plant life is not.

just because the coral closes when only the red LEDs are on does not mean they do not benefit from the red light.

i would read up on the different life that is in a coral, a coral is not just one organism it is made up of lots of smaller organisms one being zooxanthilli algae which is a photosynthetic plant organism that is present to feed the coral with all the required nutrients needed to grow and thrive. if the zooxanthilli is not growing properly, ie there is not enough light, you can suppliment it by feeding the coral so it can get an alternate food source but with the proper light feedign is not totally required and any floating particals in the water would be enough. just like in nature
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