What size tent for the green man system?

managed to get one fully working only used once for pennies

it's a 9 pot? i guess a 10 pot system with a pot missing

currently i have a 1.2 x 2.4 doing really well and a 1.2 x 1.2 doing mehhh in comparison
i feel that it's too much work for me a 1.2 x 2.4 is fine for the future

but these pots are big, built for vegging out monsters
should i use it 3 pots per 1.2 or cram all 9 in there?
 
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