Bath salts – Kneipp’s Eucalyptus (Oxygen Bubble) are rich in minerals and trace elements, necessary for the proper balance of the skin. The hot vapor containing the essential oil is inspired by the nose while the skin absorbs the oil on contact with water. Eucalyptus, refreshing and stimulating, decongests, tones and relieves fatigue. It is recommended to dissolve a cap of crystals in water. Water temperature: 36 – 38 C. Duration of the bath: 15 – 20 minutes. Do not swallow and keep out of reach of children. Tested in Villeroy & Boch brand hot tubs. If in doubt, please consult the manufacturer of your hot tub.