Difference between revisions of "How to Make a Desert Fridge"
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You can make a simple and effective cooling container for a dry climate with two clay pots, some sand, a cloth, and a little water. One pot needs to fit inside the other with enough space between the two for a layer of sand (a few inches or a bit less than 10 cm thick). The cloth is large enough to cover the top of the largest pot. | You can make a simple and effective cooling container for a dry climate with two clay pots, some sand, a cloth, and a little water. One pot needs to fit inside the other with enough space between the two for a layer of sand (a few inches or a bit less than 10 cm thick). The cloth is large enough to cover the top of the largest pot. | ||
| − | Put a layer of sand in the bottom of the larger pot. Set the smaller pot on the and fill the gap between the two with more sand, right up to the top. Wet the sand. Put food in the | + | Put a layer of sand in the bottom of the larger pot. Set the smaller pot on the and fill the gap between the two with more sand, right up to the top. Wet the sand. Put food in the inner pot. Cover the whole with the cloth. |
Wet the sand about twice a day. | Wet the sand about twice a day. | ||
Revision as of 21:38, 17 April 2007
How to make a desert fridge or zeer pot
You can make a simple and effective cooling container for a dry climate with two clay pots, some sand, a cloth, and a little water. One pot needs to fit inside the other with enough space between the two for a layer of sand (a few inches or a bit less than 10 cm thick). The cloth is large enough to cover the top of the largest pot.
Put a layer of sand in the bottom of the larger pot. Set the smaller pot on the and fill the gap between the two with more sand, right up to the top. Wet the sand. Put food in the inner pot. Cover the whole with the cloth.
Wet the sand about twice a day.
See a longer discussion at: http://www.scienceinafrica.co.za/2004/september/refrigeration.htm
