I’ve read it. Maybe you read it again. I answered what you asked. There is no antibiotics without killing good stuff, it’s how it works.
You said you want to manage ich. You gotta go slow if that’s your goal.
Not a bad idea, but most of what you named aren’t really being propagated captively. Scollies and acanthos are possible, sure, but I dont see it being done. Not sure anyone is breeding clams in the club either.