Will D/2 Clean These Headstones? Pt 1

Part 1: The Yarbrough Headstone
D/2 Biological Solution is used by the Department of Veterans Affairs to keep marble headstones in National Cemeteries around the country sparkling white. So, how will it work on my family's headstones?
Process:
1. Wet stone
2. Apply D/2
3. Scrub with non-metallic brush and water
4. Rinse
5. Apply D/2 again.
6. Leave it!

Видео Will D/2 Clean These Headstones? Pt 1 канала Nathaniel D Hudson