let it sit overnight on a bad toilet ring, the whole toilet was saturated with the product. Nothing happened?? product does not work.
-------- Sorry to hear this. Could be due to not clearing the water out of the bowl and the product was diluted. Or maybe the minerals over a very long time etched your bowl. Contact us for help or refund. If you purchased from this site we have a double money back including shipping. See our refund policy. We will always take of of our customers. EDFRED