Carophyll Pink Powder or Astaxanthin Powder

Which one is the best results for Red Color Increase?
Carophyll Pink Powder (C40H52O2) or Astaxanthin Powder(C40H52O4)

Pro and Cons and difference between Please ?:bounce:

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Please help

Only have used it in foods already containing Astaxanthin. Seems to me they are both the same thing. C.Pink being man made from Astaxanthin. I would go with the natural one found in shrimp and salmon skins, algae ect. I know this doesn't answer the question.

This might be a good read. http://forum.simplydiscus.com/archiv...p/t-74610.html

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Originally Posted by bluelagoon

Only have used it in foods already containing Astaxanthin. Seems to me they are both the same thing. C.Pink being man made from Astaxanthin. I would go with the natural one found in shrimp and salmon skins, algae ect. I know this doesn't answer the question.

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Thanks.. I have both. And testing 2 different tank with oscar fish.. So will update soon that results