I'm in the process of buying calcium reactor , I'm undecided on a GEO 618 OR MRC CR1 , Also buying a monitors I'm thinking of APEX or ReefKeeper Elite v2 . My system is a 210gal w/sump , 2 mp40 , 3 LumenBrite mh250 , Reef Octopus® 8″ Pinwheel Skimmer , 2 PhosBan Reactor 550 GFO & the other one carbon , & return pump Coralife Turbo-Sea . I know I have to have a co2 tank , CO2 Regulator with Solenoid Valve , Bubble Counter , Co2 Check Valve & Tubing , I'll like to know your thoughts & opinion on the items & other things I might need ,So I hope you can point me in the right direction , beside this will be my first time going this route lol !
P.S pic. of your system would be great if you have any of this items
P.S pic. of your system would be great if you have any of this items