Stain Remover - Rust and organic stains
The package contains: n.1 tube of liquid rust remover + 1 kit organic Stain Remover (91043). The liquid rust remover does not contain acids, so it does not spoil polishing the marbles.
Instructions for use of Rust Remover:
If after the application of rust remover there should be a slight violet color on the surface, apply the stain remover for organic stains.