I had to divide the recipe because the Duggars use so much,
and I didn't have enough storage in my home for a 5 gallon bucket!
Grate the soap bar into a small saucepan. Cover with hot water.
Cook over medium-low heat, stirring continually, until the soap completely dissolves.
For top-loading machines: Use 1 cup of the soap mixture per load.
For front-loading machines: Use 1/2 cup per load.