I just started up my 60 Gal. Reef tank about a week ago. I purchased Catalina water and have been adding Calcium, Iodine, & strontium. I did a water testy yesterday and everything came out good. My PH is at about 8.3, 0 Nitrates, 0 Nitrites, Non detechtable ammonia. My alkalinity is at 2.75 and...