Need understanding the best way to use UVB in a LED grow tent.

Discussion in 'Growing Marijuana Indoors' started by guygreenthumbs, Oct 7, 2014.

  1. Hello. Im trying getting ready for my first LED grow and im trying to implement UVB during flower. Runnin ak 48 and frost with foxfarm of in 10 gallon smart pots. I have 3 300 watt leds ill be using. Was thinking about buying these listed below and just dropping them in vertically 4-5 hours a day.
  2. That isn't uv mate

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  3. Yeah..uh...that's a CFL. To my knowledge they don't put out UVB

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