I've been combining anything pumped within 24 hrs to try to fill each storage bag as much as possible. Now that it seems 3 oz portions at a time may be better for my lo, would it be best or less wasteful to freeze each bag with 3 oz so it's already portioned? DH gives playtex liner bottles to DD. He fills it up, approx. 4.25 oz. Sometimes lo takes half sometimes she'll drink it all. I'd prefer more consistency. Or, would freezing 4 oz portions be more efficient? The freezer stash has varying amounts, up to 10 oz or full lasinoh BM bags. What is best for portion control?