susu formula

Hello uols...i nak tanyela cara bancuh susu formula yg betul.i dh baca kat google but confuse. Klo kita guna air from mesin like coway ke cuckoo ke,blh ke first letak air suhu biasa ke dlm botol susu PPSU?then lps tu letak air panas after that bru susu formula? Need help please..!😣