Ice Cooler Packing Tips
If you’re either have to evacuate your home because of a disaster or you’re left without electricity it will behoove you to know how to best use the limited space of an ice cooler and to also keep the ice from melting as long as you are able.
This article is from a boat website. (The Boat Galley.com) However, the advice given is useful for any scenario.
One tip, that I would’ve never thought of is that you should use racks.
In short, rather than placing food directly on the ice — which will melt and you’ll end up with your food sitting in water — it’s far better to get some racks or grates and put your food in bins on the racks. How to Use an Ice Box or Cooler for Food Storage | The Boat Galley
Also, if you want longevity, not all ice is created equal. Block ice will last up to
Block ice will last far longer than cubes, although cubes will chill things faster. For food storage, get block ice when you can — it will last 5 to 7 days in a well-insulated ice box even in 90-plus-degree weather (and longer if it’s cooler). Cube ice will only last one to two days. If you freeze the blocks yourself, remove them from any plastic containers (like milk jugs) before putting them in the cooler — the plastic insulates the ice and less cold gets to your food (see my tips for making block ice).
These are just a few of the many handy tips . . . read more at theboatgalley.com