sexing

fasts102376

New Member
i have 5 plants in vegging, my Q'S is i have a 400w mh,can i switch the lights on 12-12 with the mh bulb or do i have to use hps bulb to sex them thanks:allgood:
 
Is your ballast a switchable or do you have hps ballsts or a conversion bulb I would say yes. If you have just the bulb then its not going to work.
 
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