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Posted by Eddie W. on February 24, 2005 at 06:56:46:
I recently purchased an "old" house in NY. The house is heated via Oil/Steam and has a 1000 gal(!) oil tank. The seller told me that when he gets a delivery of oil, he routinely adds roughly 1 gallon of Marvel Mystery Oil per every 100 gallons of oil to the tank upon fill-up. Any comments/suggestions?