Nice. Why don't you try to set up some colonies of livebearers in the grow out, they can produce well enough if you start with a sizeable group. Something like swordtails which have huge litters and larger adults can work pretty well.
I like the option especially because at this time of year feeders get sporadic and disease rates in feeders really starts to increase.
You can always breed your own Rosie's too here, great fish food and fishing bait too. Native species so it is legal to fish with unlike goldfish.
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