This circulates the warm water around, but doesn't do much for massaging you.
Small doses of any of them dilate the blood vessels from an action on the vaso-motor centre in the medulla oblongata, as a result of which the heart beats more rapidly and the blood circulates more freely; but larger doses have a general depressing effect upon the circulatory system.
Also, keep in mind that the pump which circulates the water through the fountain will require an electrical outlet.
In its original form, this consists of a long tube surrounded by an outer tube so arranged that cold water circulates in the annular space between the two.
Thus in parts of California, where high temperatures are liable to prevail during the vintage, the system - first employed in Algeria - of cooling the must during fermentation to the proper temperature by means of a series of pipes in which iced water circulates is now largely employed.
