Optimum plant height for 400w hps flower?

tenntoker

Member
6' &
depends also on how many lights and the arrangement.
but id say over all conditions for one light 4 plants 6 to 8 ft.:weed::weed::weed::shock:
 

caveman117

Well-Known Member
i use 400s and I couldnt see them being too good at flowering 8ft planrs... my plants are 2-3ft max at the end of flower. but also my flower area is very small (22"x 6').
 
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