When a dishwasher starts up, it adds detergent to water and circulates this mixture to clean your dishes.
Dish-Flash changes the property of the water itself so when this conditioned water is circulated in the washing tank, the effects are compounded.
According to wikipedia.org, silver presents a toxic effect to some bacteria, viruses, algae and fungi. Since Dish-Flash contains Silver Nano Fibers, bacteria are restrained.