Nantwich's brine springs were used for spa or hydrotherapy purposes at two locations: the central Snow Hill swimming pool inaugurated in 1883, where the open-air brine pool is still in use, and the Brine Baths Hotel, standing in 70 acres (28 ha) of parkland south of the town from the 1890s to the mid-20th century. The hotel was originally a mansion, Shrewbridge Hall, built for Michael Bott (owner of Nantwich Mill) in 1828. It was bought by Nantwich Brine and Medicinal Baths Company in 1883, extended and opened as a hotel in 1893, with "a well-appointed suite of brine and medicinal baths," – also described as the "strongest saline baths in the world". These were used to treat patients with ailments that included gout, rheumatism, sciatica and neuritis, using two suites of baths.