Can anyone give me some advice about feeding my tetras all 12 of them brine shrimp [frozen] The LFS weren't very helpfull,mostley youngsters and saturday staff.They did manage to show me the amount and they said i didn't need to thaw it before putting it in the tank, but this is where i need advice, do i put it in in one lump and they all go for it together or do i break it up.