BRS is hard to beat. Great customer service. I've been trying to get them to sponsor the site and hope they saved some 2012 bucks for us.
The Apex has the moonlight, and everything the RKL has. Support is best done on the DA forums from what I have heard. If BRS will step in for you, that's a great service. MarineDepot does the same for both of the controllers.
Carey, it's not like you to wait to add on components. Go get them and get it all set up.
Maybe because I have been at this a bit longer and already have temp and ATO controllers and lights with full functionality that some of those items don't matter to me in a controller. But as I recall,, they both offer the same measure of control with add-ons. I may add the salinity probe just so I can check, but it's been stable for years with my ATO that it's wasted money for me. I top off my 45 gallon RODI
reserve before going on vacation. My main pump would run dry before there was a change in SG
Maybe a flood indicator would be a good add-on. At least I would get a text at work and be able to head home to mitigate the damage.