Here's a snap shot of the ion plume produced by my Injector Cube. (This is with no water added.)
(http://s20.postimg.org/ua42e84ml/frame2012.jpg)
This is simpler, and cheaper, than Meyer's original hardware. This doesn't require an external source of ions. Or his related compressed air supply - tank or engine mounted pump. When water is added, the voltage gradient produced across the capacitive plates embedded in the cube will pump the vapor, acting as a mini particle accelerator. (I've verified this part of it.) No compressed air needed here either. Also, each embedded plate has a different momentary potential. Therefor, the water molecules are subjected to a changing stress field as they quickly move past each plate in sequence. And, the edges of the plates don't have to actually touch the water for the voltage gradient to affect it. Therefor, there's minimal electrical current flow through the water, in the form of a leakage current only.
My next version will be designed to have a broad spectrum resonance. But I still plan to add an ignition suppressing 'quenching circuit' plate to this one, for further testing prior to including the bubbler.