In the swimming pool area you will find two sulphide logs filled with thermal sulphide water from the Busko C-1 spring. The content of specific (specific) components of sulphide water in the sulphide logs is: ✓ hydrogen sulphide, hydrosulphide and sulphide ions (H2S, HS-, S2-) - 45 mg/dm3, ✓ iodide ions (I-) - 2.20 mg/dm3 The total dissolved mineral content is as high as: 12,400 mg/l. Main mineral constituents: ANIONS [mg/l] Chlorides 5400 - 5800, Sulphates 1550 - 1650, Bicarbonates 450 - 500, Bromides 5.0, Iodides - 1.9 CATION [mg/l] Sodium 3900 - 4200, Calcium 240, Magnesium 155, Potassium 92 Recommended bath time: 20 minutes