Will 2 T8 get plants thru flowering

No that will not do. But it will get you through veg.

Start looking into a light for flower

 

Isnt much online. .... . Sir.. www.growweedeasy.com ffs. HPS yields good. But you sound like someone who will go cfl or diy led for some reason. I get that vibe. Good luck getting through flower. Or, go hps and get fat buds. up to you. Dick around or do what I do. See my log.

 

Wait a minute.

Yes you can flower with two 23 watt t8's.

Youll just only get a five grams of weed.

My first grow was 2*24 watt T5 HO. Got more than an eighth.

Start with how much weed you need... and size your light appropriately.

For me I aim for an ounce a month and I have extra.

210 watt perpetual box
https://forum.grasscity.com/index.p...att-3.5-sq-ft-Northern-Lights-and-White-Widow:

 

My set up cost 250$ and I have an ounce a month to smoke and plenty to give as gifts.

210 watt perpetual box
https://forum.grasscity.com/index.p...att-3.5-sq-ft-Northern-Lights-and-White-Widow:

 

Sorry to thread kill ...

... but you want the leaves to pretty much touch the bulbs. As close as you can get them provided they dont get hot (they won't if you have a fan on).

When I veg I use a 40watt CFL, and I have leaves touch the bulb

210 watt perpetual box
https://forum.grasscity.com/index.p...att-3.5-sq-ft-Northern-Lights-and-White-Widow: