>> “How long will the water last in those plastic jugs you get at the grocery store? <<
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In most cases they will start to leak in a few months.
What you have to do is take them out of the boxes and break the plastic seal on the valve and snap it out in operating position to keep them from leaking.
“What you have to do is take them out of the boxes and break the plastic seal on the valve and snap it out in operating position to keep them from leaking.”
Wouldn’t that allow contamination of the water?