Kansa Serve Bowl/ Katori

To determine the authenticity of Kansa, Brass, and Copper items, look for specific characteristics. Kansa should have a deep golden-brown color and produce a bell-like sound when tapped. Authentic Brass has a yellowish-gold hue and is non-magnetic. Copper items should have a reddish-brown color and also be non-magnetic. Additionally, testing for weight, sound, and reaction to magnets can provide further assurance.

Proper care and cleaning of Kansa, Brass, and Copper items are essential to maintain their appearance and longevity. For Kansa, use a mixture of lemon juice and baking soda to gently scrub away the tarnish. Brass can be cleaned with a paste made from vinegar, salt, and flour, which should be applied and then rinsed off. Copper items can be polished using lemon juice and salt or a commercial copper cleaner. After cleaning, always rinse thoroughly with water and dry completely to prevent water spots and corrosion.

Yes, Kansa, Brass, and Copper items can tarnish over time due to oxidation and exposure to air and moisture. Tarnishing is a natural process that results in a patina or discoloration on the surface of the metal. 

Tarnishing does not reduce the inherent benefits of these metals, such as their health and structural properties. However, it can diminish their antimicrobial effectiveness and visual appeal. Regular cleaning and polishing can help maintain their full benefits and keep them looking attractive.

While Kansa, Brass, and Copper have health benefits, it is important to take certain precautions. Avoid using these metals to cook or store highly acidic or salty foods, as these can cause reactions that may lead to metal leaching. Additionally, ensure that any cookware made from Brass or Copper is properly lined with a non-reactive material like tin or stainless steel.