Heat water until just warm enough to dissolve salt.
Transfer water into an 8 oz. amber glass bottle with screw cap.
Add salts and swirl to dissolve.
Add room temperature water. Let sit until liquid is room temperature (about 15 to 20 minutes), then and essential oil. Swirl to mix.
Use a funnel to pour into a 4oz.
glass bottle with mister
for ease of use. Store in a cool, dry place for up to 6 months.