Then I would do that, feed him/her tomorrow with one pink, then leave it 5 or 6 days and offer 1 or 2 pinks again. Check the tank for pooh, if they have been to the toilet then they will no doubt be hungry again.
The ammount is always 1.5 times the width of the body at its thickest. Or multiple smaller items, but i tihnk 1 item is best, just the right size. I need help too, i dont know when i should move oz onto 1 once a week. How old should he be?