One big issue with sanding a lot, is your sand paper gets packed with dust. When you may think it is used up, it actually is just clogged. Brush it. This is just a brush we had laying around. I'm not sure where it came form. Any brush would work I suppose. LOL, just don't use a wire brush.
You can see here how it cleaned it right up. Its not like new, but it brings it back to sand.
