google/yiutube zeer pot.
basically two teracotta pots nessted together with sand between them. wet the sand etc and whamo....convection at its best..
i just built it about an hour ago... here are some pics.


i used a 14inch or 16 i cant recall saucer for the lid. its terra cotta as well.
temps of the drinks were 85-90f when i put them in..the sidewalls and outter walls of the pots were 79f...it was 90f on my porch..in the shade.
ill update temps etc as they come.
i seen the vids on youtube and figured it would be a cool lil project for me and the kid. plus be a good way to try a simple idea.
total cost was 40 ish (12- 14 per pot and the same for the lid sand 3,50 ))
basically two teracotta pots nessted together with sand between them. wet the sand etc and whamo....convection at its best..
i just built it about an hour ago... here are some pics.
i used a 14inch or 16 i cant recall saucer for the lid. its terra cotta as well.
temps of the drinks were 85-90f when i put them in..the sidewalls and outter walls of the pots were 79f...it was 90f on my porch..in the shade.
ill update temps etc as they come.
i seen the vids on youtube and figured it would be a cool lil project for me and the kid. plus be a good way to try a simple idea.
total cost was 40 ish (12- 14 per pot and the same for the lid sand 3,50 ))
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