Eagle Power Rub-Off is a strong, powered cleanser that removes hard-water stains and stubborn mineral deposits from a variety of surfaces.
Originally developed to remove the hard-water stains left behind on windows by outdoor water-sprinkling systems, but it has many more applications.
It will also remove all sorts of stains including soap scum; aluminum screen stains and even rust.
A blend of several product:
Rub Off stain remover attacks the stain in many ways.