Vegging with HPS??

[swAmp Hydroponics]

I have an auto flower in my veg tent that I'd like to keep in there the whole cycle, so I decided to swap out my MH for a HPS bulb.

I know a respected grower who swears by vegging under hps. In his words, "big plants make big buds".
It must work because he cranks out trees from his basement home grow. 3-4lbs per plant. (Renfro is who I'm speaking of if anyone knows him.)

I've been interested in trying this before, but I was wondering if anyone here has experience with it and can give me "some sort" of an idea of how much more stretch and nodal spacing I might expect vs. with the MH?

I'm not too concerned about the gelato or zkittlez glue in there, but I know the blue dream gets hella huge under regular circumstances.

 

[One Drop]

I’ve been using the Phillips SonTAgro globes they are great you can do the hole grow with them great spectrum and great penetration to the lower branches . Great price as well best bang for your Hps buck .

 

[swAmp Hydroponics]

Found an older article on the subject. Worth the read if you use HID.

Metal halide vs. high-pressure sodium: An age-old question for cannabis growers - Marijuana Venture

While the technology behind indoor plant lighting has evolved rapidly, one thing has stayed fairly constant: Most growers still prefer to use high-intensity discharge lights…

www.marijuanaventure.com

To sum it up, according to a few university studies, "there is no empirical evidence to support the age old belief that the extra blue light provided by an MH bulb in early growth gives any benefit or change to growth patterns".
Given that HPS is more efficient than MH, I might just give it a try in veg for a while.
Might even be able to save a couple of watts in the process.
I already had to raise the light and turn it down from 650 to 600w. After 8 hours, the plants looked beat.

 

[Jewels]

CRI came to mind, but it would appear you have that covered.
Very hard to recognize a rusty leaf under HPS.

 

[Drynobbob]

Been doin it forever, actually think the hps gets em up and goin, not like a t5, but close, better than mh, but I quit mh due to flowering from seed alot