I have a used Korallin C-1502 Calcium Reactor for sale. I used it for about 8 month and upgraded to a bigger one.
here is the link to the spec of the reactor:
http://www.marinedepot.com/ps_ViewI...uct~KL1502.html
It is in a perfect condition and it still has almost full ARM media in the chamber. This is reactor only...$295.
local pick up for now.