OK here goes my lfs said i wouldnt need a skimmer for a few months after i set up my aquarium. its a 72 gal. bowfront, 65 lbs. lr , 80-90 lbs. live cc (cant remember exact weight was like 3 full bags of agralive). using standard lfs single bulb 45 watt pc since i started, ( a new 260 watt PC is...