Copper Care

How to clean copper, the easy way

Five minutes, things already in your kitchen, and your copper bottle, jug or kadhai shines like new.

Why copper turns dark

Copper reacts with air and water and slowly forms a dark brown or black layer (oxidation), sometimes with light green spots. This is natural and is actually a sign of real copper. It is easy to remove.

Method 1: Lemon and salt (best for weekly cleaning)

  1. Cut a lemon in half and dip the cut side in salt.
  2. Rub it over the copper surface. The dark layer lifts within seconds.
  3. For the inside of a bottle, put 1 tablespoon salt, the juice of half a lemon and a little water inside, close the lid and shake well for a minute.
  4. Rinse thoroughly with plain water.
  5. Dry completely with a soft cloth and leave the bottle open to air-dry inside.

Method 2: Tamarind (imli) paste (for heavy darkening)

Soak a small ball of tamarind in warm water, mash it into a paste with a pinch of salt, and rub it onto the copper. Leave for 5 minutes, scrub gently with a soft sponge or coconut coir, rinse and dry. This is the traditional Indian method for copper puja items and lotas.

Method 3: Vinegar, salt and flour (for jugs, matka and big pieces)

Mix equal parts white vinegar and salt with a spoon of flour (atta or maida) into a paste. Spread it over the piece, leave for 10–15 minutes, rub, rinse with warm water and dry.

Removing green spots

Green spots (verdigris) come from moisture left on copper. Rub them with lemon and salt or a baking soda and lemon paste, rinse, and always dry fully after washing.

Cleaning a long, narrow copper bottle inside

Use the lemon, salt and water shake method above. For stubborn spots add a spoon of uncooked rice: it scrubs the inside as you shake. A soft bottle brush also helps. Never use steel wool.

Caring for special finishes

  • Meena (painted), antique and lacquered finishes: wipe with a soft damp cloth only. Lemon and scrubbing will remove the finish.
  • Kalai (tin-lined) cookware: clean the inside with regular dishwash liquid and a soft sponge; use lemon and salt only on the copper outside.
  • Steel-lined copper: wash the inside like steel; polish the copper outside with lemon and salt now and then.

Daily habits that keep copper bright

  • Rinse your bottle every day and refill with fresh water.
  • Always dry fully, and store with the lid open.
  • Clean with lemon and salt once a week.
  • No dishwasher, no steel wool, no harsh chemical cleaners.
Built to last

Copper that gets better with care

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FAQs

Cleaning copper, answered

How do I clean a copper bottle from inside?
Put 1 tablespoon of salt, the juice of half a lemon and a little water inside the bottle, close the lid and shake for a minute. Add a spoon of uncooked rice for stubborn spots. Rinse well and leave it open to dry fully.
How often should I clean my copper bottle?
Rinse it every day and clean it with lemon and salt once a week if you use it daily.
Why is my copper bottle black inside?
Black or dark brown colour is natural oxidation of copper from contact with water and air. It is normal for pure copper and comes off with lemon and salt.
Is it safe to use a copper bottle with green spots?
Clean the green spots off with lemon and salt before using it again, rinse well and dry fully. Green spots form when moisture is left on copper, so always dry the bottle after washing.
Can I clean copper with Pitambari or a copper cleaner powder?
Yes, copper and brass cleaning powders work on plain and hammered copper. Rinse thoroughly afterwards, especially on the inside of bottles, and do not use them on meena, antique or lacquered finishes.
Can copper utensils go in the dishwasher?
No. Dishwasher detergents and heat discolour copper. Wash copper by hand with a soft sponge and dry it fully.