In contrast, google a question about bags of milk and you get a heap of people trying to answer this conundrum--why use an inferior technology? Here are some examples: here, "so we drink milk in bags, does that make us weird?" [yes, yes it does], wiki and here.
To give bags of milk a fair shake, here:
I do love how this video shows how complicated this milk delivery system is: need to cut the bag just right, need to keep the big bag's clip with expiration date (which is stamped on plastic jugs), and so on.
Of course, the real superiority is that one can simply open a gallon jug of milk and pour. If you have bought bags of milk, you need to get a container, make sure it is clean, open the bag without spilling anything (no crying necessary with a gallon jug), pour it into the container and then pour some of the contents into one's bowl of cereal (like this bit of Hawaiian hotel holiday excessiveness):
The arguments about the milk bags are more efficient argument might be instructive, except that in Canada, the dairy industry is so highly protected that it can charge quite a lot and is relatively immune from the market--supply management or mismanagement as I like to call it. So cry me a river of milk tears if you think that the market up here is efficient in any way, including in the use of bags.
Except that this is really a central Canadian thing--the west uses jugs.
BTW, now that you're in Ontario you can buy 2L and 4L jugs of milk at any Macs convenience store (known as "Couche-tarde" in Montreal, same owl logo and great slurpees too).
" If you have bought bags of milk, you need to get a container, make sure it is clean, open the bag without spilling anything (no crying necessary with a gallon jug), pour it into the container... "
Ah, this might be the root of the difference of opinion. There are special containers that hold the bags (as in the video), so all you need to do is drop in the bag, clip the corner (growing up in Nova Scotia, you could get special clippers that you put on your fridge with a magnet - no need to root around for scissors), and you're set. Milk needn't come in contact with the container at all. There's less plastic waste overall (you're not going to reuse all your jugs) and the weight distribution relative to the handle makes it much easier to pour than jugs allow. Plus, since the bag contracts as the milk flows out, you don't get the "glug glug" sloppiness you can get from a full jug (which I miss greatly, as I try to pour milk into narrow-necked sippy cups here). It's slightly more complex, I'll grant you, but ergonomically and environmentally superior.
I feel like I've thought and written WAY too much about milk bags now.
As an American who prefers bags, I have two counterpoints:
1) There is an ease-of-use tradeoff. I find it extremely difficult to pour from a jug without spilling when it is full, because the milk runs down the side of the jug if it's not held at a steep enough angle. I've never had that problem with bags.
2) Milk goes bad more slowly because you only have 1/3 of the milk open at once.
PS I am American
While some think it's outdated technology, Some see it as the big sustainability story in packaging - http://www.dairyreporter.com/Processing-Packaging/Can-you-Jugit-PFM-spies-rosy-UK-milk-bag-future-with-new-machine or http://www.independent.co.uk/news/business/news/milk-bags-flying-off-the-shelves-at-sainsburys-1946364.html or http://www.treehugger.com/sustainable-product-design/forget-the-jugs-milk-bags-a-hit-in-canada-uk.html
I think this has less to do with convenience and market demand and more to do with increasing profit margins. Now retailers will be able to sell 3 litres for the price of 4! This is exactly what is happening in the cheese market.
Bags are where it's at.
bags are just over a liter so three bags is still 4 liters. the milk stays fresh longer and the expiry date is printed on each bag. better for the vironment too, i'm sold!
bags are better for reasons states above but one missing reason...as we scale down to tiny homes and less living space, my refrigerator is little and a narrow bag fits much more appropriately otherwise i have to buy expensive quarts. the other 2 litres would go in my freezer downstairs, or one up and one down, or one in the bottom of the veggie drawer or....you get my point.
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