Heard of it. Don't see why it wouldn't work.
water4gas do a guide on it. Think it's bundled with the HHO guide they charge you for, but if you're a fan of torrents, I'm sure you'll be able to find it for less

!!!
Also there are magnet devices out there that are meant to line up the atoms before going into your engine & in theory help economy. They're about the same price.
I had an old PC monitor, so I just took the magnet off the end of the cable. It's the perfect shape as well for the pipe to go through the middle where the VGA cable was. Haven't got round to fitting it yet. Need to sort out my electrolyser first! (one thing at a time).
Grateful if you could let me know if you try any of them.
sturjl