Stimulating — wakes the body and boosts circulation.
Rich in active gases or metals — a strong mineral character.
Soft water — natural, classic buoyancy.
Balneario de Caldes de Montbui Broquetas, in Catalonia, draws on acidic sulfurous water (pH 3.2) at 31°C. The facility offers thermal pools, a spa, and thermal treatments in a town with a bathing tradition dating back to Roman times.