Remove the pot from heat and let the mixture cool slightly.
Add the additional 8 cups of water (half gallon) to the 5 gallon bucket.
Slowly and carefully pour in the hot soapy mixture into the 5 gallon bucket.
Stir the water and the soap concentration until thoroughly incorporated.
Add the essential oils of choice and mix again.
Fill the 5 gallon bucket up with water to about 4 inches from the top of the bucket and stir until all the ingredients are mixed well.
Place the lid on.