[header] How to make reed diffusers [title] Find a container with a narrow opening. [step] Begin assembling your reed diffuser by finding a suitable base container for the reeds. Look for a container that is about five to ten inches tall with a small opening made of ceramic, glass, stainless steel, earthenware or wood. 
Do not use a plastic container, as essential oils can react with plastic. [substeps] A small opening at the top of the container ensures that minimal evaporation occurs.