12 on 12 off?

Discussion in 'First Time Marijuana Growers' started by mad ganja702, May 8, 2016.

  1. What light would I use if I was running 12 on 12 off from seed would I use MH are HPS are both

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  2. HPS for 12/12 seedling.
    I would recommend both bulbs and 4-6weeks of veg with the MH bulb. While flower with hps bulb.
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