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Spirulina - This ancient algae can help your koi develop vivid coloration, naturally!

Spirulina algae under a microscope
Carotenoids can help Nishikigoi develop beautiful red color. Without adequate levels of carotenoid a koi's color and beauty can be lost forever. Spirulina, an algae rich in carotenoids has survived more than 3 billion years, is known as one of the world's best natural color enhancers. The name Spirulina came from the word "spiral" because it looks like a compressed spring when observed under a microscope.

Hikari Excel, Spirulina and Saki-Hikari Color Enhancing Diet all contain "just the right amount" of premium-select Spirulina allowing them to provide aggressive color enhancing capacity without any negative impact on the white areas of your koi.


Koi fed none of the Hikari color-enhancing diets

Koi fed Saki-Hikari Color Enhancing Diet