I recently purchased the Solar Chlor Max and so far so good. I am not expecting it to eliminate the need for chemicals, but rather reduce my dependence on them!! OH, and reduce my dependence on the power grid!!!
http://solarchlor.com/Other%20Products.htm and scroll down a little.
I sent an E-mail to the company (calling them is pointless). They responded that the mineral anode is no longer shipped with the unit!