Im fixing to buy this off MarineDepot tonight what do you guys think ill be paying 616.33 ive been reading some about this calcium reactor was wondering what you guys thoght of it the size will be great for under my tank since im short of room. The tank is 120g 60x18x26 sump 30g 36x12x16. I also just bought already the MSX160 Skimmer with Sicce meshwheel pump from Marine Solutions. Ive not purchesed the Calcium reactor yet tho havent heard mutch about it i have a American Marines PINPOINT pH Controller for the calcium Reactor my tank is soft and lps at the moment wanted to go sps someday let me know thx