>You can freeze some nearly full two liter bottles of water; wrap the
>frozen bottles in a thin towel; place the bottles in the bottom of the
>ferret's cage (cool air is heavy and sinks if left undisturbed, so don't
>use a fan too).
 
If the cool air sinks shouldn't you put the bottles on top of the cage so
the cool air will go down on top of the ferrets?
 
Petal
[Posted in FML issue 2371]