I always thought that brine shrimp was worthless outside of a snack...? It's what I remember reading...
Agreed that more variety is important for overall health, or at the very least a couple of pellets. As mentioned, use the bloodworm juice to make the pellets more appetizing. Then mix in some fish of some sort whether tilapia (for humans) or Silversides which you can get at Petco. Frozen krill and earthworms are also nice to add in to the mix.