: This is a classic Indian method for old brass. Soak a small ball of tamarind in warm water to make a thick pulp. Apply the pulp all over the kadhai and let it sit for 10–15 minutes . Scrub gently with a soft sponge; the natural tartaric acid will "melt" away the blackness.
To clean a 70-year-old brass kadhai (vessel) and restore its golden shine, you can use traditional, non-toxic kitchen ingredients that safely break down decades of oxidation. : This is a classic Indian method for old brass
: Cut a lemon in half and dip the fleshy side into coarse salt. Rub it directly onto the brass surface in circular motions, squeezing slightly to release the juice. The citric acid reacts with the tarnish while salt acts as a gentle abrasive. Scrub gently with a soft sponge; the natural
: For stubborn black patches, mix white vinegar and baking soda into a thick paste. Apply it to the vessel, wait for 10 minutes , then scrub and rinse. Rub it directly onto the brass surface in