The AquaTrol is made for AG pools -- it is the AG version of the AquaRite by Goldline Controls.
However, there is some question here (I am not trying to start anything, just put the info out there) whether salting an AG pool is a good idea, due to corossion of metal parts. Many AG pools have a LOT of metal (sidewalls, bottom rails, hardware, etc) and you need to check whether you will void any warranties if you salt your pool.

(by salting I mean adding either higher concentrations (3000-3500 ppm) for your SWG, or lower (1000-2000 ppm) for that 'soft water feel'.)

Personally I would love the ease of an SWG, or the water quality of a salted non-SWG pool, but I am still trying to weigh the benefits v. the potential risks. I am interested in Medvampire's long-term results documented here.