I want to start by saying I'm new to the forum and looking to build a O - 3 rail layout for post war, Lionchief Plus, and possibly Legacy trains. I currently have a simple oval of fastrack I purchased as an experiment. I believe I've been able to significantly reduce the noise issue, but after several hours of operation of a Lionelchief Plus engine (requires 18VAC from my ZW) I noticed significant carbon buildup on the center rails. I saw one recommendation to use NO-OX-ID "A SPECIAL" on the rails. Does any one do this and how long doe it last?
Also, I'm looking at Atlas O as an alternative. Since Atlas is not a steel track, does it have the same buildup issue? Parts of my proposed layout may be inaccessible for hands on track cleaning, so I'm looking at all options.