Since i jumped the gun and installed the top brace, getting the glass in was a tough job.
I was able to get the glass threw the front viewing window, and i leaned it up against the back wall.
I then siliconed the entire front inside front frame and then set the glass in temporary postition. Then i leaned the tank forward and layed it front on its face and slide the glass around a bit into its final postition. I used 40lbs of weights on each of the corners to. after the glass was in. i went around the entire perimeter of the glass with more silicone and smoothed it out.
Souns easy, but it wasnt. If i didnt install the top brace, it would have been a breeze. Even while i was installing the top brace, i knew i should have waited, but im impatient and NEED to see progress. leason learned.