Atomaterapie fragrance dispenser and hot tub is a strange thing. Most manufacturers recommend scented oils. But which affects the quality of water in the hot tub. We use profiesionalní version. Prez blower hot tub. So that no oil did not alter the quality dody whirlpools. The air is scented with the mixing tube and smells just air. For this installation, it is necessary to have air blower  whirlpools. Aroma metered into the water as most manufacturers, which leads to poor water quality.