1Before buying milk we need to check all dates yes? How Long Does Milk Last? and How many days after sell by date is really good for milk? Some sources say it’s good past its expiration date and others say to toss it out after just a few days of being open. We decided to get to the bottom of this conundrum. OK, we need to settle this once and for all: When does milk really expire? Some sources say it’s good past its expiration date and others say to toss it out after just a few days of being open. We decided to get to the bottom of this conundrum.
