Combine baking soda and citric acid together.
Use your mixing bowl for this step.
Mix them thoroughly until well blended.
Make sure there are no lumps remaining.
This creates the fizzing base for melts.
Drop your essential oils into the mixture.
Use peppermint, eucalyptus, and lemon oils.
Mix everything together very well.
The oils provide the energizing scent.
Make sure they're evenly distributed throughout.
Spray water lightly onto your mixture.
Do this very slowly and carefully.
Mix after each spray to combine.
You want a texture like wet sand.
Too much water causes premature fizzing.
Press mixture firmly into your molds.
Pack it down really tight.
This prevents crumbling when they dry.
Fill each cavity to the top.
Smooth the surface with your finger.
Leave molds undisturbed for 24 hours.
Place them somewhere dry and cool.
Don't touch them during drying time.
After 24 hours, pop them out.
Store in your airtight container immediately.