I really don't think you'll have any trouble with two guys. My dad and I were able to lift my 220 with just the two of us, and it's made of thicker glass than most and weighs 550lbs easy. Granted, we did use four guys to actually move it around, but the two of us lifted it up to see if we could. It's a 30" tall tank vs the 125's 24", so yours should easily be under half the weight. I'm guessing between 200 and 225lbs, but that's just my guess.