Tips on using your coolbox.
As the heading suggests here are a few tips on using your coolbox effectively.
If you don't already have a coolbox and are planning on getting one then I suggest buying the biggest one you can afford but avoid buying the cheap supermarket ones because they are next to useless. They don't actually have any insulation in them just a pretend vaccuum. Coleman extreme or igloo are very good ones for example. They also make for good seating.
Forget using those blue iceblocks or bags of ice.
the definitive version: igloo cooler..... freeze the biggest ice block you can manage . a 4ltr ice cream carton usually does the trick but even bigger if your cooler can take it. put 2 bags of ice cubes in the cooler for two days before you leave.
the day you are leaving put the ice block on top of the ice cubes. ALWAYS leave the cold water in the bottom but you can drain it down to the plug hole if needed but better to leave it.
If taking food , vacuum pack it to protect it from the