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________________________________ From: S&JY [mailto:you...@relia.net] Sent: Friday, August 29, 2008 3:50 PM To: Silver List Subject: CS>Polarity Reversal I am interested in your educated thoughts regarding polarity reversal of constant current DC being supplied to the electrodes. Specifically, how would one optimize the frequency of polarity reversals, given brew the time (and possibly the current), to minimize the buildup of crud on the electrodes? If the reversals are too fast (e.g. many reversals per second), the ions will not have time to get from one electrode to the other, and brew time will go up substantially. On the other hand, if the reversals are too slow e.g. a few times per brew time), then I suppose this might defeat the advantage of less crud buildup on the electrodes. In my case, I use 5.5 inch electrodes spaced about 2 inches apart, with a constant current of 0.25 ma for 24 hours. This makes a very good product with very small particles. Based on your experience, what would be the recommended range of time between reversals, and what is the basis for your recommendation? Thanks, Steve Y.
