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Posted by John on June 19, 2004 at 09:32:51:
Is there a way, or does it make sense to monitor the sulfite levels in the DA tank?
For years we have monitored the sulfite levels in the boiler at the recommendations of our chemical suppliers. We have suffered some pitting in the DA tank over the last 10 years. Presently we have turned our oxygen scavenger chemical pump down to a trickle and are still maintaining the proper sulfite level. This is causing some concern for the well being of the DA tank.