Ha ha, I'll be coming after U if they are cabbages

. I bought some Generals Daughter from this site of which I set going 6 seeds ( 6 to be planted later) 1 was a no show and 1 didn't quite make the surface for some reason

So 4 GD's are in my make shift veg box while I finish the grow room.
They are growing real fast. They are in 24/7.
I finished making the contactor tonight from the excellent thread in the Grow room forum. I added the common ground as recommended and it works a treat.
The grow room is 2'6" x 3' x 6' which can be made smaller if nec. I will post some pics when she is up and running.
It is almost finished and that is why I need the advice of which SOD to aquire I thought a 400W for this space would be about right?
The advice you gave me hemlok sounds good but there is a significant difference in price £119.99 against £59.99.
Can you explain the differences?
Cheers in adv