Yep, that's why I'm posting. Many here that have been pool owners far longer than I have and have much, much more experience.

Supposed, it works by adjusting polarity in the water. This gave me an additional concern of effects on my SWG.

It mounts at the end of the line, on the return before it goes to the pool.

There has been a push around SoCal where our water is very hard, to not use water softeners because the salt/brine method is ineffecient (roughly 2 gallons of brine waste for every 1 gallon produced) and it pours salty water into sewers which causes issues for treatment plants.

The Aqua-Doc seems to be a product in reaction to this. Looks like the biggest seller is one for the home to soften water as it goes into the home on the main line.

IF it works, it is an intriquing product. Just concerned about the magnetic fields industrial magnets produce, and any effects on electronics/wiring/SWG cells and sensors.