Caring for your bottle
Copper looks after itself if you look after it: a little care each day keeps the colour, and a lemon brings it back whenever you like.
Cold still water only
Fill the bottle with cold still water and nothing else. Please do not use it for juice, fizzy or hot drinks, which react with the metal.
When it darkens
Rub the inside and outside with half a lemon dipped in salt, leave it a few minutes, rinse well and dry. The shine comes back.