To maximize the duration of ice retention in a cooler, you can use a high-quality cooler with thick insulation, pre-chill the cooler before adding ice, limit opening the cooler frequently, use block ice instead of cubed ice, and keep the cooler in a shaded and cool area.
To keep ice in a cooler longer, you can try using a thicker cooler with better insulation, pre-chilling the cooler before adding ice, keeping the cooler out of direct sunlight, minimizing opening and closing the cooler frequently, and using larger ice blocks instead of smaller cubes.
The duration of Ice Diaries is 3600.0 seconds.
Salt does not make ice cooler; it lowers the freezing point.
cooler
The duration of In the Region of Ice is 2220.0 seconds.
The duration of Put on Ice is 1.47 hours.
The duration of Blonde Ice is 1.22 hours.
The duration of Ice Princess is 1.63 hours.
The duration of Ice Castles is 1.8 hours.
The duration of Ice Spiders is 1.43 hours.
The duration of Lady Ice is 1.57 hours.
The duration of Ice Men is 1.83 hours.