how many lumens

is 7000 lumes good enough for 15w x 19L x 23h
i have two purple widow seedling but i wanna add two more g13 hazes
i have 4 26 watt cfls daylight = 108 watts 7000-7400 lumens
i plan on doing just 12/12 from seed cuz of restrictions and i have it well ventilated
so prob only growin 12 inches
will 7000 lumens be good to yield at least 1 0z for 4 plant or for two plants

hahaha high of some good hash lol
 
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