Spirulina Powder is a great colour booster, simply add to koi food
£5.49
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More InformationSpirulina algae is practically a miracle fish food. Diets that consist of as little as 2-3% Spirulina, have resulted in significant benefits. Fish show substantially better growth rates, increased fry survival, improved overall health and better coloration. It is also great for feeding to Artemia before harvesting.