According to Coleman.com, Coleman recommends using 0.75 lbs. of ice per rated quart of the cooler. Therefore, for a 150 quart cooler you will need 5-6 20 pound bags of ice.
If you’re going to investing in a high-end cooler worth hundreds of dollars it’s worth learning how to make ice last longer in a cooler.
Take your awesome cooler and give it the right conditions and ice can last for up to 10 days or more. Take the exact same cooler and put it in the wrong conditions and you might only get 4-5 days of ice out of it. So here are 15 ways to make ice last longer in a cooler shared by Thecoolerbox.com.
Still using bagged ice in your cooler? There's a better way! Visit Thekitchn.com to find out.