>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]