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Posted by Gern Blanston on January 10, 2002 at 06:28:25:
In Reply to: Sodium Sulfite depletion posted by Gern Blanston on January 07, 2002 at 09:43:18:
Thanks for the help guys. Vern, you indicated that something besides disolved oxygen might be causing the localized pitting? The holes we have developing in these tubes are very pretty little things, they almost look like they were machined into the tube. We only found three of them, several feet apart, and the rest of the tube metal and the boiler looks like brand new.
What else should I look for? Thanks again.