Speaking of Track Cleaning

I like it. Not sure what cleaner the sponge will hold. some track cleaners evaporate very fast.

Dale H

But even IPA will evaporate much slower once absorbed into the sponge.

Interesting idea! Does the over-hang damage any track-side scenery?

Not on my layout.

Also, I apply cleaner using a dip and squeese off technique such as the principle of a paint roller in a tray.

That's good, but that also begs the question: do you HAVE scenery, such as station platforms, street crossings, etc.?

Yes. I keep the sponge area on the top of the rails. I would guess you could make the sponge smaller for tighter area's or for smaller gauge tracks.

Note: I am not trying to sell this, I am only trying to share an idea that works for me and my situation. You may have to make adjustments for different situations.

Regards, Casey.