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  1. Green Chi

    Girl Scout Cookie Haze DWC

    Thank you for sharing your grow, nice job! I do have two questions, if you have the time... 1) Day 49 pics show leafs that are cupping and yellowing/drying at the edges... is that from proximity to the light? (Mine are the same, but worse) 2) I see you add 3 supplements to your basic nutes, how...
  2. Green Chi

    Someone please settle the debate on the correct size intake and exhaust

    Correcting bad information I left in message 3. It is not OK to leave your ventilation system off overnight in your grow area, moisture/humidity builds and can cause problems. I just found this out first hand, luckily leaving the blower on constant reversed the issue in 4-5 days. (though I'll...
  3. Green Chi

    Someone please settle the debate on the correct size intake and exhaust

    I've never done a system with a powered intake fan in conjunction with an exhaust fan. Normally (in HVAC) the exhaust fan draws the area into negative pressure and the make-up air is comes in through openings (grills).
  4. Green Chi

    Someone please settle the debate on the correct size intake and exhaust

    I've been doing the 24 hour soak (in the dark) with mine and have had very good results.
  5. Green Chi

    Someone please settle the debate on the correct size intake and exhaust

    Heya RR, I'm a newbie grower, but I am well versed in HVAC design which includes air movement. This is what I have for my areas... Veg - 4" duct attached to the light casing (or just wide open at a high point in your area if you don't have a venting light) Duct travels outside area to a...
  6. Green Chi

    DWC Scrog Throwdown Growdown 2011

    Thanks for this thread Blu! I've learned a ton.
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