Glasshouse Fragrances 8.4fl Oz Diffuser (Multiple Scent Options)Choose Scent: Adjust the amount of fragrance diffused by turning the reeds more or less frequently 1 2 times per week or when you see dry reed tips. For best results keep out of direct sunlight, heat and drafts, and ensure the lid is screwed on tightly. Flip the reeds as often or as little as you like depending on how much fragrance youre after. You may observe initial rapid evaporation of a Glasshouse Fragrance Diffuser, however this evaporation will