Powdered diet vs Whole food diet
I posted a thread a while back about how my yellow neos don't eat solid foods. Not vegetables, not veggie tablets, not algae tablets, not shrimp pellets, not frozen brine shrimp or worms, nothing. But I supplement their biofilm diet with some powdered foods. They molt well, they get berried and have babies, they are thriving.
So what is necessarily bad about a biofilm and powdered food diet? What is inherently superior in a whole food diet?