[dedalus]

Don't worry about fumes from a seal tank. There aren't any.

An old customer of mine whose anodizing tanks I maintained ran water through stainless steel coils in the tank, that was then circulated through an outside chiller. The water cascaded over a series of flow spoilers in the open air to cool it.

Iwas always after them to install more cooling capacity. The hotter it gets, the more aluminium dissolves; the more aluminium dissolves, the higher the voltage; the higher the voltage, the hotter it gets...