EASY TO USE : Simply follow the instructions provided and Aromahouse Clean Tablets will help to revitalize your essential oil diffuser and you can continue to enjoy your diffusers powerful benefits for hours. 6 x EFFERVESCENT ULTRASONIC DIFFUSER CLEANING TABLETS: CLEAN TABS - WILL NOT ALTER ANY OILS! Allows for maximum flexibility. Can be used in all diffusers. allows you to enjoy the full benefits of your favorite natural essential oils to derive maximum health benefits from your favorites scents like pure Lavender, Sweet Orange, Tea Tree, Eucalyptus, Lemongrass, Peppermint, Bergamot, Frankincense, Lemon, Rosemary, Cinnamon, and Ylang-Ylang essential oils SAFE and EFFECTIVE: Manufactured by an SDI Champion recognized by the U.S EPA Certified Facility in the USA. Safe for the environment, Tablets are EPA approved. Will not harm aquatic life, will not contribute to pollution, will not bio-accumulate. WORRY FREE GUARANTEE: We believe so deeply in our products that we offer a worry free guarantee. If you are not satisfied with our product simply return it. No questions asked. Aromahouse Specially-formulated ultrasonic Diffuser Cleaning Tablets revitalize and extend the life of any ultrasonic diffuser. Over time with regular use, diffusers accumulate minerals and deposits left over from tap water and essential oils. Those deposits can reduce or even completely stop your diffuser's ability to generate mist. With proper cleaning, impurities in the water including viruses, fungi and bacteria will be removed. You can then diffuse your favorite essential oils with confidence. Most manufacturers recommend cleaning your diffuser regularly to remove impurities. When used regularly, AromaHouse Clean Tabs makes it easy to keep your diffuser working like new so you can enjoy all its healthful benefits and get the full effect and pleasure from essential oil and aromatherapy.