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hrm, 4 weeks aye, seems the buds are growing slow. mine look about the same and they are at 2 weeks today.
i think you should hang that thermometer from your light, however far your plants are from it now, because it more than likely over 85-90. where it is now is just the temp of the room if you werent under the lights
what light were you using before?
party at boo's...ahahahaha