Orvus versus D/2 Comparison

This is a short tutorial on the differences between Orvus Water Paste and D/2 Biological Solution - both used for cleaning gravestones. Spoiler alert: Orvus is a lot cheaper, but is used for a specific need.

D/2 Biological Solution - Use on Biologic Growth
No Mixing, use as is.
Cleans 2-5 gravestones.
Available at http://atlaspreservation.com

Orvus Water Activated Paste - Use on Black Tar-Like Pollution
1 quart distilled water
1 ounce of Orvus paste (2 Tablespoons)
Mix in plastic bowl then pour into a spray bottle using a funnel.
Cleans 2-5 gravestones.
Available at https://www.tractorsupply.com And online from Amazon