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sorry,should not over 50cm
the height should not over 50M,then the effect will be very good.
cfls 's effection is not very good,and lighting time 18hours is enough
eight 13watt are enough,use blue light spectrum for its early growth,but fruit ur starwberry,need more red light spectrum,only use white not good
blue light is useful for leaf growth
shorten the plants growing period,like using grow light
nice to express the feeling