Pulled the diesel out of the shot glass today and into a rapid rooter along side the 2 holy grail kush. It was barely cracked so I'm hoping in 3 days I'll have sprouts. I'm thinking since I'll only have 3 plants (if all goes well) I'll either mainline em or bush em out and also run a single cola clone of each to see how they do.
Sounds like fun.
Sorry to hear you'll only have 3 to work with. With a bit of training you can fill that tent with tops.
4x4 tent has 16 sq ft.
If I go by my personal rule of 4 cola's per square ft then You could have 64 cola's in your tent. Divided by 3 plants that's 20 something tops each.
So if you gave each plant 8-16 tops you would be looking good.
Just consider out of those 3
Plants there may still be 1-3 males, 1-3 females, or any mix in between of the 2. So if you train them all well. Then when the males are removed you will still have a hefty amount.
I personally would do 16 tops each if I was gonna run 3 plants in a 4x4 space. If all females would give you 48 tops.
If only 1 female she would give you 16 tops. But with the extra light of being alone she would yield good too.
You will do great.