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post #303 of (permalink) Old 10-12-2012, 02:30 AM
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Just a note on Astaxanthin… It is a carotenoid. It can/does alter shrimp coloration. But not super-fast. It happens much less than abruptly.

I.E., you can feed Yellow Neos a ton of Astaxanthin and they'll eventually turn green/blue green. (Happens with spirulina overfeeding, as well) Takes more than a week, though. And it takes much more time than a week for the carotenoids to dissipate than a week.
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