Aug 19, 2015 · Feeding The Fish And Making Your Own Fish Food. The fish food we use for both catfish and tilapia is Rangen 1/8” floating catfish food. You can use any floating food that has about a 30% protein, 6% or more fat content, but TRY to find a fish food that comes in the nice small 1/8” pellet size, as we have noticed problems, both with acceptance by the fish
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