CLR Calcium, Lime and Rust Remover ... “The customer probably did not let the Zep Acidic Toilet Bowl Cleaner sit long enough on the stain,” Sheron Minier, a Zep technical services ...
To use this product, first turn off the water supply to the toilet bowl so that you can access the marks directly. Pour 1 cup of CLR into the toilet bowl and let it sit for 2 minutes, scrub with a ...