Citric Acid is a natural product which is derived mainly from citrus fruits and is used to make bath fizzies. Don't let the name frighten you. This is the ingredient which makes lemon-aid taste like lemon-aide, and candies taste tart.
Add 1/4 cup of citric acid to your dishwasher's load. Your dishes won't have the white film anymore.

Citric Acid also has some other very interesting uses! This is one of the main ingredients that make a Bath Bomb fizz up in your bath tub.

It is also fantastic in spa soaks, as a natural cleaner and a necessary ingredient in many lotion formulations.

Instructions and Recipes on making Bath Salts & Fizzies