At Providence Guéthary, we serve our cocktails in copper mugs. The best is to put water in it. But of course you can put anything you want in your flask!
According to Ayurvedic medicine, which is native to India, it would be better to drink water that has been stored in a copper container, for its anti-microbial, anti-oxidant, anti-carcinogenic and anti-inflammatory properties.
The Benefits of Copper: - Cleans the kidneys and the digestive system - Tunifies the spleen, liver and lymphatic system - Maintains the health of the digestive system - Stimulates the brainIncreases the level of melanin in the body (for tanning) - Regulates the functioning of the thyroid glande - Normalizes blood pressure, heartbeat - Reduces cholesterol