🚽Oxalic Acid Powerful Stain Cleaner

This cleaner uses oxalic acid to remove tough stains from porcelain surfaces without damaging them, and is eco-friendly and non-toxic.

• The description claims that the cleaner effectively removes tough stains like rust and hard water marks.
• The description claims that the cleaner is specifically designed not to damage or corrode porcelain surfaces.
• The description claims that the cleaner is eco-friendly and non-toxic.