Remove the AromaLux atomiser top from the diffuser base. Attach a Young Living 5 ml or 15 ml essential oil bottle to the AromaLux atomiser top. Place the AromaLux top with the essential oil bottle attached back into the diffuser base. Adjust settings for vapour volume, master timer, diffusion run timer, diffusion pause timer, and turn on the power switch. Adjust the LED display light setting and enjoy the benefits of 100% pure, therapeutic-grade essential oils.