Here’s another interesting DIY project that I may try one day, but I’m happy enough with hyper-insulating a cooler and using traditional ice packs for now. But if you’re bored this weekend, considering making your own DIY ice cooler pods for extended ice retention, which get down to chest freezer temperatures.
Perhaps the only major caveat I would offer, which he addresses near the start, is to NOT use any chemicals that are hazardous to your health in case these pods leak or become damaged. Thankfully, he was able to find non-toxic alternatives online, including food-grade propylene glycol, water storing crystals, and the splash RV/Marine antifreeze.
Honestly, while I appreciate the ingenuity, I’m not sure these are worth the effort or expense. Moreover, the flat ice packs are much easier to fit around food and drinks; given how much we tend to pack in our coolers, there’s rarely room for much else.
What do you think? Are these worth the hassle or not?

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