"T" wrote

| I have a old off white keyboard that adore in
| my shop. The keys are starting to look a bit
| nasty.
|
| I have tried rubbing alcohol and vinegar and
| nothing seems to clean it up.
|

Ammonia in warm water. Alcohol and vinegar are
very limited in their usefulness. Ammonia for general
cleaning and algae. Bleach for mildew. TSP in very
hot water for grime on woodwork, etc. (Wear gloves!)
Hydrogen peroxide for blood or protein-related stains.