20”x 35”x 63” tent. I have it in a room that doesn’t fluctuate much in temp. Inside the tent it is usually 68-71 degrees fahrenheit and the humidity does fluctuate from 43-50. The tent has your standard mylar and ventilation holes. I am wanting to do a perpetual cycle, so constant veg is what I would want the light to do mainly, but if it does flowering as well that would be even better. I don’t want to spend more $300 for a new light. I have had luck in the past with HPS, but it uses a lot of energy and throws a lot of heat out. I am typically an outdoor grower with all my varieties of plants I grow
That $300 budget would be an easy one to stay in for a tent that size.
I'd go with a couple of 4000k qb's on a 240 driver myself. Or a 4 cob setup, the same 4000k spectrum. With a dimmer and just run em soft. Leaves over head if you wanted to upsize the tent.
If that's not a concern, do the same setup but a lower powered driver or light in the 150-200 watt range.
There's alot of prebuilt units out there, or are you looking to build?
You'll get a better footprint if you build, and possibly save some dough.
With the dirt cheap lights out there though, it's getting harder to save by building your own. Lol.
But the custom size and spectrum is where custom is king. 😉