what are your dimensions now and what are you using a 1 X 1000 in the 4' 11" x 4' 11" x 6' 7" is superb and depending on your set-up now im sure you would see significant increases in the size of your garden also depends on nutrient types and soul vs. hydro. You will also need to make sure you have good venting, nice ducting system with little bends, and also a external A/C unit to pimp fresh air into the tent and keeping perfect temps. Theres a lot of stuff needed to increase the size of yield from your garden. just read around and study theres a huge list of books i recommend picking up if your interested in more hit me back