how to clean stainless steel sink hard water stains
Here is a solution for removing the hard water stains from the SS sinks and surfaces. 1  Make a paste of baking soda / cooking soda. 2  Add Â½ cup baking soda and Â¼ cup of Vinegar into a container. 3  You will observe a foaming action when the two ingredients are combined.4  This is normal, wait for the foaming to stop.ere is a solution for removing the hard water stains from the SS sinks and surfaces. 1  Make a paste of baking soda / cooking soda. 2  Add Â½ cup baking soda and Â¼ cup of Vinegar into a container. 3  You will observe a foaming action when the two ingredients are combined.