Ice can be kept frozen longer by keeping it in a freezer. If there is not a freezer, the fridge will help it last. Ice will melt slower if it is kept away from heat.
duh you have to keep it frozen in the freezer. its logic.
Ice will melt faster in a room temperature glass compared to a frozen glass. The room temperature glass provides a warmer environment for the ice to melt quicker, while the frozen glass will keep the ice colder for longer, slowing down the melting process.
Dry ice can keep ice cream frozen for several hours, typically between 4 to 10 hours, depending on the quantity of dry ice used, the insulation of the container, and the ambient temperature. For best results, using about 5 to 10 pounds of dry ice for a standard cooler-sized container can help maintain the ice cream's frozen state longer. It's important to handle dry ice with care, as it can cause skin burns.
Keep them in the freezer...below Oc.
by having an insulating devise
To keep a cooler cold for 5 days, use plenty of ice packs or frozen water bottles, keep the cooler in a shaded area, limit opening it frequently, and consider using dry ice for longer cooling.
Put it in a freezer or a bucket of dry ice; but the freezer is better.
To keep your cooler cold for a longer period of time, consider using ice packs or frozen water bottles instead of ice cubes, pre-chilling the cooler, keeping it out of direct sunlight, minimizing opening and closing, and using a cooler with thick insulation.
To keep a cooler cold for 3 days, use plenty of ice packs or frozen water bottles, pre-chill the cooler, keep it in a shaded area, limit opening it frequently, and consider using dry ice for longer cooling.
To keep a cooler cold for a longer period of time, you can use ice packs or frozen water bottles instead of ice cubes, pre-chill the cooler before adding items, keep the cooler in a shaded area, limit opening and closing the cooler frequently, and use a cooler with thick insulation.
Sorbet
Depending on how cold the ice chest is maybe most likely not though.