Hikari Koi Spirulina Mini Floating Pellet. Hikari® Spirulina is a scientifically formulated color enhancing, supplemental diet meant to be mixed with other Hikari® daily diets to promote deeper and more vibrant coloration in koi! Floating Food Aggressive Colour Supplemental Diet A Scientifically Formulated Supplemental Diet Koi Love Contains a precise amount of select, pure-cultured spirulina which naturally contains concentrated levels of carotenoids to help your koi develop their natural coloration and beauty A uniquely balanced diet rich in the necessary nutrients to support immune system health Expect improved coloration when used with any other Hikari® koi formula Excellent for helping prepare koi for their next show Available Size: 17.6 oz