Anyone used a graphite sheet as the cathode?

I have not, but have noticed in pictures posted on the Forum that several others do.

Seems that a major advantage would be the anodes not rusting in the course of an e-tank session. Downside may be that the anodes dissolve over time, but I'm unsure what that time horizon is. I'm unsure what other pros/cons are associated with using graphite.

Steve
 
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