You have to qualify that with a high ceiling...like 14 feet so you have a place for that heat to go. Not to mention that LED still has more potential upside. ....HPS, not so much. When you start paying $$ for air conditioning you start looking at the HPS the same way you would a cutting torch.... it belongs outside.
This is the 2F2V She's been in lst from around day 13 currently on day 29. Just using paper clips, metal bits from coat hangers and elastic bands so a true "whatever's at hand grow tools" but hey it works! 
I love you that! Ahah good way to start my morning mate hehe "highness" ahah man gunna use that for sure! And thank you I am really proud of her and as this being my first real grow; most of my plants are very pleasing to the eye, I found my passion
That's how I did it, cut up some old metal hangers and bent them into almost tent pole things lol and bam works like a charm, looks great btw!
The key to big autos is big pots and high N feeds to the end. If synthetic run veg nutes til the end.
What type of lighting did you have that baby under
Here's mines at 26 days old fast and vast from herbies
