Vegging under t5 120v questions

So I have t5 lights 4 of em to total 120v what's the best way to veg and after I veg em I plan to throw under 1000 hps in 4x8 tent I've heard 24/7 is too much so should I do 18/6 or I was vegging 12-5.5-1-5.5 and it was working giving super close nodes like 4-6 per foot because I wanted to sog but now I only want bigger plants instead of a bunch if small ones

Better for you to make up your mind, create a plan and stick to it, ...fumbling in the dark is gonna cost you! throwing plants about is uncool so is the 2 foot T5 not enough lumens try the 4 foot with 6-8 tubes of a mixed kelvin of 2700 and 6500k, for a balanced plant ...?

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The light time
and well how many should I fit in that setup?

I flower with T5s and have for a couple years now.
Vostok is right.
A mixed spectrum will provide available radiation you would otherwise miss with a single color light source.
I have a total of 24, four foot HO T5s. They are side by side.
I have been flowering with them for over 3 years now. (I change the bulbs semi-annually)
I use a specific pattern based on the PAR charts. This pattern repeats, all the way down the line of bulbs. R/Y/R/B/R/Y/R/B.
My theory is that if you are offering a plant 100,000 lumens of light (EMR), in one specific wave length, and the plant can absorb three other wavelengths, it is receiving only a percentage of the total light it would in nature.
Nothing beats a star as your light source. (plus no timers, balasts, etc.)

Even though fluorescents are less bright, they offer an advantage of being able to offer the plant multiple wave lengths of energy.
Even if the T5s are only sending 60% of total lumens of HIDs, they are providing smaller portions of multiple wave lengths.

What I mean is,
even if the plant is only receiving 25% of the red wave it could convert, 10% of yellow wave, and 10% of blue wave, you are still offering the plant more photosynthetic available radiation than 100% of one color.

Different colors control and enhance plant's growth and structure.
You can stretch a plant in veg, by mixing more, or all yellow and red in your veg cycle.
You can make a plant promote vegetation and short internode spacing by turning up the Blue.
A lot of people will raise their lights when they want a plant to spread out or stretch a bit.
Doing this only deprives the plant and causes them to reach and stretch.

I only want want to veg for maybe 2-3 weeks since In 6tall x 8wide x 4 foot deep
I flower with 1000hps!!
I have 5 strains to choose from and I want to keep Only 3 but I will do 10 plants @ 2 per week into flower room after 2-3 weeks of 24-7 to get clones and veg growth

Ok looks like I will be vegin under 24 hrs they seems green and lushes!!! Unless I split the veg room into 2 and the flower room only one flower room