Copper care
Caring for pure copper
Pure copper is easy to live with. A few simple habits keep your bottle and mugs beautiful for years.
Copper care
Keep it glowing in 30 seconds
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1. Hand wash only
Rinse with warm water after use. Never put copper in the dishwasher.
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2. Air dry, lid off
Let the bottle dry fully with the lid removed.
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3. Lemon + salt refresh
Every 1 to 2 weeks: 1/2 cup warm water, 1 tbsp salt, juice of 1/2 lemon. Shake for 30 seconds.
Good to know
What to know about copper
- Copper’s natural process. Over time, copper reacts with air and water and forms a harmless patina or spots inside your bottle.
- A sign it’s real. Dark spots or marks are a natural sign your Kamojo bottle is made from 100% pure copper.
- No cause for concern. These marks are normal and won’t affect the quality or safety of your bottle.
- Optional cleaning. Fill with warm water, lemon juice and salt. Shake for 30 seconds, rinse well and dry right away.
FAQ
Care questions
Quick answers about patina and cleaning.
Still have a question?
Real people, 10am to 6pm PT.
Is it really 100% pure copper?
Yes. Kamojo bottles are made entirely from food-grade pure copper, including the interior. They are not copper-plated and not copper-colored stainless steel.
Why is my bottle darkening inside?
That is natural patina, and it shows the copper is real. A lemon and salt rinse every 1 to 2 weeks brings back the shine.
Can I put it in the dishwasher?
No. Hand wash only and air dry with the lid off.