You need to pre cool your cooler for at least 24 hours (I would go with 48 hours) before you add fresh ice and the items before you leave for your trip - Buy a five day cooler -you still need to pre cool the cooler! Also open it as little as possible...
It depends on so many variables... How full is your cooler? Was everything cold BEFORE you put it in the cooler? How hot are the days? Is the cooler in the sun? If I pre-chill everything, fill the cooler about 2/3 full of stuff, finish filling it wit...
You mean off the "rack?" You have to heat the oven up just a little, & once the plastic is warm, use a knife or scraper to get rid of the plastic. I just had a mess in my oven, because a spatula was in the oven, I didn't see it but before long, I sme...