How do I treat an organic and inorganic stain?

Q. How do I treat an organic and inorganic stain?

A. The chemical of choice for both Organic and Inorganic stains is Hydrogen Peroxide (30/40 volumes, the clear type – available at your local beauty salon. The one from the drugstore is too weak, at 3.5 volumes). Sometime, in the case of ink, Denatured Alcohol (or rubbing alcohol) may turn out to be more effective.

ORGANIC
Designation of any chemical compound containing carbon (some of the simple compounds of carbon, such as carbon dioxide, are frequently classified as inorganic compounds). To date, nearly one million organic compounds have been synthesized or isolated. Many occur in nature; others are produced by chemical synthesis