Hi Marion, what a great idea making your own method to diffuse your oils. Hope this will help you. 8 Homemade Essential Oil Diffusers - The Homemade Experiment
Several methods for making your own homemade essential oil diffusers with only a few simple ingredients and little time required.
100 % pure essential oils is the key ingredient no fragrance oils Here's some really good videos for reed diffuser https://www.youtube.com/watch?v=K_6WaBYYly4 More https://www.youtube.com/watch?v=i9rDDIQh5EE Another https://www.youtube.com/watch?v=aOl9_OYfmD4
Here is a tutorial from another Hometalker that looks lovely and clear :)