The real need for a freezer is the long drive home. You can ice down with Salt Ice and a good large cooler at the coast, drain off any water, and when you are in a large center, pick up 10 - 15 pounds of dry ice. Put the dry ice on the top of the cooler and close the lid (Pellet style is way better to fill small voids). Next, take a roll of duct tape and tape the seam between the lid and the cooler. Now you have a solid seal that will keep things very cold for very long.
Dry ice is about - 78 C. Stuff will actually freeze in the cooler and you will be good for a long day of travel in the hottest conditions.
Dry ice is CO2 and heavier than air. Do not put a cooler with dry ice in the back of a compartment where passengers or pets are, like a Suburban. It can suffocate in closed conditions with poor ventilation.
Drewski
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