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Old 09-09-2013, 08:51 PM
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Quote:
Originally Posted by Proteus View Post
So I know the 10k will give me growth but do you think I would be able to maintain color from the 20k.
I think this depends in part on the coral itself. There will be some corals that just don't react well to certain temperatures of light. That is, some may be perfectly fine basking in 10K light and won't lose any colour at all, while others may not like that colour temperature so much. And in some cases (probably most), it really isn't even a matter of the coral liking one colour temperature over another. Rather, it's their symbiotic nature with zooxantehllae. Zooxanthellae is what gives them both food and colour. Corals will capture, harbour and grow the zooxanthellae species that will give them the best results for nutrient/food exchange.

^translation: Maybe yes, maybe no :-)
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Old 09-09-2013, 10:58 PM
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What Kein said about symbiosis is very true, if you look at the oceans sps most are tanned to brown, to achieve best results we run our tanks at a much higher kelvin. I noticed the colour of the water changing as I got a few meters from the surface, it got more blue the deeper you went and acros that were deeper had some awesome colouration. Although that being said, some high light species need the blasting of 10k to hold colour. 1 species that likes that spectrum would be pink stylo, under higher k it turns more of a plum purple lower k hot pink.

I guess it's a sacrifice you will have to decide, sticking with the 14k has benefits....
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