You can come close, using distilled water and some powdered minerals that are available at homebrewing supply stores: https://www.homebrewtalk.com/threads/san-

You can come close, using distilled water and some powdered minerals that are available at homebrewing supply stores: https://www.homebrewtalk.com/threads/san-pellegrino-clone.562569/ https://www.homebrewtalk.com/threads/san-pellegrino-clone.56...