This Invention Is Brilliant!!

Living up your username, I see

Well, it has more. I just don't feel like being GrammarNazi1 right now.
*morphs into potato*

Potatonazi! I hope someone draws that.

Would they attack errant fries and hash browns, or sweet potatoes and other root vegetables, you think?

We are, but it's expensive to make

Yeah, I'm gonna go out on a limb and say boiling the water is probably always going to be the least expensive way to purify it. I suppose that doesn't help much in places where the water source is muddy, but a little dirt in the diet never hurt, right?