A 350 gallon?i had a tragedy when my 375 cracked in bottom,had to transfer everything to my 125, 375 was custom built ten years ago,cabinets ,the works,had to tear it all down,however iam enjoying the 125, less expensive.welcome to a rewarding hobby,just remember the members here give straight advice,and keep your set up simple,it can get real confusing with all the products out. There.enjoy!