Bottle with BPA needs to chanhe every 6 months. Without BPA every 3months. Nipples should be change every month.
Klu nak mudah, beli pigeon ppsu.. one year sekali tukar selg tak calar and etc
advise to change bottle every 3-6month.
Need change the nipple every 6months
Saya selalu tukar sebulan sekali..
Saya biasa tukar 6 bulan sekali...