Compupool

[PoolDoc]

Well, they do have a US location, which is good.

http://www.compupoolproducts.com/contactus.html

But, this is a killer, I think:
"5500-6000 P.P.M salt required"
on the "Compu-Chlor" units

The CPSC unit says
"CPSC series operates effectively from 3000 P.P.M salt to sea water"

But I don't know.

[zmachines]

I would suggest you check out AutoPilot Digital units. I love my system and have had trouble free and almost maintenance free operation for 3 seasons now. Once you install and "dial it in" for your pool, it automatically adjust chlorine generation based on water temperature. All I have added throughout the swimming season is a little muriatic acid to drop the PH as it creeps up (side effect of SWCG systems). People are amazed how easy it is for me to maintain my pool.

[waterbear]

Compupool is actually a decent SWCG. Another good Australian company with a US distribution channel is WaterMaid. The higher salt levels are common in Australian designs, btw, and have some advantages such as less stress on the cell and power supply (and disadvantages in terms of salt's effects on pool equipment) over the lower salt models which I learned from discussion with a WaterMaid representative that was very active on another forum (and at one time someone form WaterMaid posted on this one). Realize that these higher salt units have been in operation in about 80% of all pools in Australia for many more years than salt pools have been popular in the US so if there were major problems they would not be so popular over there. Many of the Australian companies have come out with units that work at lower salt levels because of the US market so they can compete with Hayward and Autopilot but still sell the higher salt level units. Realize that the older unis from Zodiac did operate at much higher salt levels closer to as what the Australian units require. Also, the Autopilot units can work in seawater according to their literature (2000 - 35,000 ppm) Of course, both Autopilot and Hayward are excellent units with proven track records also!