I got flatworms too.everyone is saying get a wrasse so I’m probably going to once I find one I really like. I try not to put basic fish or corals in my tank. I want the finished product to be LEGITI totally agree! Though I having to dose Exit due to a flatworm issue in my reef tank. First time I’ve ever had this issue. Just hope my $$$ acans do okay. A little nervous ! Lol