Nung una ako worried din ako dito, pero honestly most of us just use the same freezer with proper storage lang! Ako naman, ginagamit ko yung dedicated containers with clear labels at top shelf para sure walang cross-contamination, at sinisiguro ko rin na sealed lahat properly bago ilagay sa tabi ng meat. Hindi talaga kailangan ng separate ref unless super limited ang space mo or sobrang dami ng milk you're storing, depende lang talaga sa setup ng bahay at kung gaano karami yung need mong i-freeze regularly, kaya basta organized at labeled, okay na yan!