According to this link on their website, this product is not only an SWG system, but also says it does the following:

The SolarChlor unit also employs an anode that, through the patented salt dissolution process, releases charged mineral ions that actively penetrate the cell walls of algae spores and inhibits further mutation.

That sounds like it releases copper ions so is similar, at least in part, to a Nature2 system (without the silver part). Do you really want to add copper to your pool?

Richard