It was fun too!
This is what you need:
2 cups BORAX
2 cups Arm and Hammer Washing Soda
2 cups Lemishine
1 cup Kosher Salt
So easy and smells lemony fresh :)
It does get hard so you need to stir it over a few days so it doesn't become a brick!
Use 1 tablespoon per load
Makes 112 loads!