Like when I was making my homemade laundry detergent, I needed to play around with the ratio of elements in order to come up ...
Before each use, pour two tablespoons of powder into the dishwasher dispenser and select the appropriate program.
Curl your fingers to make an O shape. Soap bubbles are hollow ... Will bubbles form? Then add the dishwashing liquid to the solution, and have your child test the solution again.
Last, if you are willing and able, find simple internet recipes for homemade dish soap and detergent made with ingredients like castile soap, citric acid and moderate amounts of washing soda ...