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Zeer Pot-in-pot refrigerator higher humidity results Flower Pot Fridge

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Uploaded by on Oct 2, 2011

Zeer Pot-in-pot refrigerator higher humidity results
This is a design dating back to as early as 2500 B.C. and the idea was somewhat abandoned with the invention of modern refrigeration. The results vary based on relative humidity in your area. The concept works best in hot desert area with low RH. The pots do not work in humidity above about 75%. This makes them ineffective in the summertime in many regions.

The sand should be damp to wet, NOT DRENCHED. The outer pot MUST be unglazed. The inner pot can be glazed but it is not necessary unless the food must stay dry like breads etc.

What is your humidity? Link below:

http://lwf.ncdc.noaa.gov/oa/climate/online/ccd/avgrh.html

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Uploader Comments (GREENPOWERSCIENCE)

  • Dan this is off topic but do you know of a device or way, of changing the herts of a home made generator (with out rebuilding it) so that its 60Hz like a standard homes?? any one?

  • @kevbow0137 Assuming your generator is is an AC alternator, the best way is to use a bridge rectifier and go to DC (if DC generator no need) then store the power in a battery and go to an inverter. Unless you have a constant source of power like a gasoline diesel gen. you will have power drops that can cause high and low voltage damaging stuff.

    watch?v=GDOuutNWlGI

    watch?v=GdBsANKXaG8

  • Some years back, I was in New Orleans and we took a tour of an old plantation. When we went to the lower level of the house (not completely underground like a basement), they had a huge pot that was glazed on the INSIDE only. They said this was used as refrigeration. I haven't been able to find any info on this technique. What are your thoughts on this?

  • @DasBus2002 They might have wet the outer shell but New Orleans has higher humidity so evaporative water cooling does not work well most of the time. Maybe a winter thing? Up north my great grandparents had a 4ft deep cellar that they stored food in until about April. During the summer the veggies were stored there.

  • What happens to the pots freeze outside :)

  • @whizadree Freeze? Like from snow or really cold weather?

Top Comments

  • @METALis4ME96 Yep 50 degree drop, a new world record. Amazing considering there was condensation already on the bottles. That does not happen that fast or at all in very low relative humidity, something that is a must for results of even a 20 - 30 degree drop. I did this test to demonstrate the real results. Zeer pots are great for very dry climates with the goal of keeping food cool. Near frozen beer is science fiction.

  • Next on GreenPowerScience how to disable annoying blimps with solar power!

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All Comments (133)

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  • I think you should go to Goodyear to charge for the commercial LOL!

  • impact man

  • The farmers in Anatolia (in Turkey) have been using this. They cover up earthenware water jugs with rags to cool the water inside it

  • yeah use a y-shaped tree branch, a pair of her knickers as the elastic band, and a rock.! its called a sling shot!!!

  • Great video thanks guys.

  • who ever sent that blimp over your house is pretty smart because he just advertised to OVER 9000 people xD

  • Just take a Stinger Launcher and shoot down that blimp.

    Problem solved. No more irritating blimp noise.

    XD

    Try it, it's fun !

  • @GREENPOWERSCIENCE Yeah, maybe the glazing inside the pots somehow kept food cooler in the winter months?? It's just something I've always been curious about.

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