Originally Posted by
Mep1127
As far as food preference it really does not matter. Flake or pellet whatever you trained your discus to eat they will eat the same. IME flakes are great with the majority of my discus. I have 1 discus who will not eat pellets. The only food I've seen discus go nuts for is freeze dried blackworms.... everytime!
I feed NLS pellets and also have a yellow discus and have yet to see it turn orange. NLS color enhancers come from the ingredients like krill and other natural things unlike tetra's pellets. So you shouldn't worry about the orange effects on a yellow discus.