In 1859 he had to sell the brewery, together with the rest of his enterprises, as a consequence of hard times following the Crimean War.
Since then CB has had several owners: a group of investors called Sørlandvekst, the Swedish brewery Spendrups, and since 1999 Hansa Borg Bryggerier AS.
Allegedly this source was found in 1932, in an extraordinarily dry summer, when the company's plumber used a divining rod.
On 32 meters' depth he found crystal-clear and 100% pure water, which holds a stable temperature of 9–10 degrees Celsius, both in summer and in winter.
The brewery is also known for its julebrus, or Christmas soda, which has a golden brown colour, and a taste reminiscent of Champagne.