Oh man there are so many reasons why but honestly I don't have all night to type them all so I'll do the top two. First, I want to know what ingredients make up my fish food. So when the first ingredient is a special enhancement secret ingredient that makes me very concerned. Next the protein level is off the charts high. To the point where is causes stomach upset in flowerhorn and when that is already a weak area for this fish you can be looking at it causing some serious health issues. I have watched so many flowerhorn shed their stomach lining over and over again while eating this food. Its Bad News. Avoid it.