Cowboy I just wanted to chime in since I just purchased and setup my new gl145. I was also comparing the SJ vs GL and I can tell you that I dont understand at all why the SJ are more expensive! First of all,
the SJ tent is only rated for 65lb weight limit for hanging lights, filters , and fans. When the grow lab is rated for over 100lbs. Also the grow lab has a roof mounted sock that allows for very easy setup of a fan. In my opinion, the SJ is way over priced for its features vs the grow lab. I was able to compare the old SJ 150 vs pro II 150 vs grow lab 145 at my hydro shop and for me there is no comparison in price. Yes my hydro shop was the same price on all 3 but I found the grow lab over $70 cheaper online than all 3 and its way better built. If you have any questions I will gladly answer them since I have been inside all 3 tents.