Remove the AromaLux atomizer top from the diffuser base. Attach a Young Living 5-ml or 15-ml essential oil bottle to the AromaLux atomizer top. Place the AromaLux top with the essential oil bottle attached back into the diffuser base. Adjust settings for vapor 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.