Another thing that may help, that I plan to do this year, is to cut a sheet of reflectix to fit over the contents, inside the cooler. Just adding another layer of insulation up near the top, where most of the cold is lost.
If you're not familiar, it's the bubble wrap radiant barrier stuff.. This:
I already use it for some other stuff (coozies and as a sit-pad) and it works pretty good.
If you're not familiar, it's the bubble wrap radiant barrier stuff.. This:
I already use it for some other stuff (coozies and as a sit-pad) and it works pretty good.
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