ingredients still have cereal grains... and the feed 3 times a day doesn't work with how I keep fish... hmmm feed them like Americans...
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Keep the salmon, whole herring, whole shrimp, herring oil & kelp, and dump the rest, and you have a good food for predatory fishes.
If the wheat flour, wheat germ, wheat gluten, rice bran and pea protein were last, they would be in smaller amounts and less of an issue. But having them at the top of the ingredients list (3rd & 4th) means they are a bulking/ filler agent. The shrimp even comes after them. Since fish can't digest grains, it's kind of pointless having fish food with lots of grains/ flour in.
Having vitamin A in fish food containing whole fish is pointless. The whole fish will have plenty of vitamin A in. If the manufacturers were really concerned about the fish getting enough vitamin A, they could add betacarotene and it would improve red, orange and yellow colours in fish and provide them with all the vitamin A they can use and in a safe manor. You can store huge amounts of betacarotene in your body and it converts it to vitamin A as required. But if you have too much vitamin A, you get sick.
The vitamins (especially B vitamins) are going to break down rapidly in a humid environment so it probably won't be of any benefit once the container is open. The Astaxanthin might be helpful for blue colour in fish but the rest of it isn't really useful.
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I have used dry pellet fish foods that were really hard and didn't break down readily in water. The nitrates went just as high in the tanks that got those pellets as they did on other types of foods. The only good use I found for hard insoluble fish pellets was to use as baits in my fish traps when collecting fishes in the wild. The insoluble pellets would be used all day and still stay together.