So I decided I was going to try and go a cheaper route with dithers for my flowerhorn, jack dempseys, red devil, and pike cichlid to see if they would accept a more colorful dither. So I added 7 comet goldfish (bred by a friend of mine so I know they're disease free) and within an hour the flowerhorn ripped the face off of one. That's after I heavily fed them with flakes and pellets and then added 25 guppies (which I am breeding in a spare tank), and they had the guppies cleared within a half-hour after eating. Mind you, the longest fish in the tank is the grass cutter catfish (which is roughly 4 inches long), followed by the bellycrawler pike, and then followed by the flowerhorn (who is the boss of the tank).