Multi-Purpose Oxalic Acid Cleaner (BUY 1 GET 1 FREE)

A multi-purpose cleaner for tiles, sinks, glass, and hard stains that removes water marks, stains, and grime without scrubbing.

• The description claims the cleaner removes hard water and yellow stains instantly.
• The description claims it restores the original shine of tiles, marble, and steel.
• The description claims it is safe on ceramic, marble, granite, and metal surfaces.
• The description mentions a powerful oxalic acid formula.