SO I WAS SET ON GETTING A CALCIUM REACTOR FOR MY REEFER 750XXL THIS WILL BE A SPS DOMINANT TANK BUT THE MORE AND MORE I KEEP REASEARCHING SEEMS COMPLICATED COMPARED TO 2 PART AND THE UPFRONT COST IS WAY MORE THAN I ANTICIPATED ANYONE WHO KNOWS ME KNOWS THAT I BUY NOTHING BUT THE BEST GEAR MY QUESTION WOULD BE CAN I GET AWAY WITH 2 PART INSTEAD THE TANK IS NOT SET UP YET ITS COLLECTING DUST IN MY LIVING ROOM FOR THE PAST MONTH AS I DO NOT KOW WHAT 2 DO YET