My clones are packed...when they root they go in the flower room at 4 plants per square foot...
4 plants per square foot is the common single cola lollipop spacing for SoG...
here... clones.. packed tight in RW cubes..
as the clones get rooted, the get poted into 5.5" square pots... solid pots not net pots... this is ebb flow...
then the pots are packe in as tight as I can get in my tray...
7 rows of 7, minus one for the fittings...
like this... SoG...
did that make sense?
use solid pots.. not mesh....
Ask SZ he used them.. and now he switched...
4 plants per square foot is the max without crowding...
regardless of size light...
choose your tray for the light...
1k 4x4
600 3x3
never used a 400 so I dunno...
I hope that helps...
Sorry I;m crabby.. my leg hurts... not in a very fine mood today...
but the info should help...