It usually floats, but it might also sink to the bottom, float sideways, or move up and down during the course of fermentation; all of these are fine!
ປົກກະຕິມັນລອຍຢູ່, ແຕ່ມັນຍັງອາດຈະຈົມລົງໄປທາງລຸ່ມ, ເລື່ອນໄປທາງຂ້າງ, ຫລືເລື່ອນຂຶ້ນແລະເລື່ອນຂື້ນໃນໄລຍະການ ຫມັກ; ທັງ ຫມົດ ນີ້ດີ!