Zeer Pots Cooler for Camping - This looks like a ingeniously simple idea for keeping food cooler when camping or away from electricity. A non-electrical refrigerator. Excellent emergency cooling technique. I've gotta experiment with this idea.
This looks VERY interesting ideas on passive cooling. Plan to summarize. Zeer Pots are a ingeniously simple solution to refrigeration without electricity. I'm gonna experiment with that at home. Zeer pots sound perfect for camping. Photos included in the original post are helpful.