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    I've just germinated some auto GG4 seeds. Ive never (knowingly) grown autos. Do they need 18/6 or 12/12 throughout? Ive heard they take less time

    Minimum 18/6 the whole life. 20/4 would be awesome
    Just because people are over 50 doesn’t mean they know everything.
    You can teach a old dog new tricks - But it will still think the old ways are the “best” lol


      I've had my 4 autos, now flowering, under 20/4 light the entire grow.

      Lovin' life...

      Grow System:
      DIY RDWC built in 10 gal tote container
      Vipar Spectra p2000 LED full spectrum light
      Vent fan w/carbon filter and assorted fans, airpump, dehumidifiers, etc
      2x4 grow tent

      Current Grow: TOO MUCH

      made the newb mistake of starting too many plants in my system. 2 Northern Lights autos and 2 Afghans autos


        If I would grow just autos it would be 20/4 till the end.
        Light: Viparspectra P2000, Viparspectra P1500, Viparspectra XS2000, KingLed 1500
        Medium: organic, Fafard perlite, Fafard Urban Garden organic mix, Organic compost shrimps.
        Nutrients: Alaskan Fish, Advanced Nutrients Big Bud, Advanced Nutrients Ancient Earth, Advanced Nutrients Sensi Cal Mag Xtra
        Full auto grow
        Grow room : 8X12X10, 2 industrial fans, 1 dehumidifier, 1 Vivosun carbon filter & controller
        12 Wild Thailand Ryder from WOS


          I use 18/6 because it is most economical for me.
          2X4X6 Quictent
          1.5x3x5 Gorilla tent
          600w LED (80)
          1000w LED (180)
          2 X Viparspectra P-1000
          2 X 4" fan with carbon filter ducted to unused boiler chimney
          6" battery/usb fans
          Mother Earth 70/30 coco/perlite
          GH trio with Calimagic
          Lung room humidifier
          3 and 5 gal plastic buckets Nebulas coco for autos nute schedule.
          ArmorSi, kelp when needed
          Running at pH 6.0

          Grow 3
          Northern Lights auto
          auto 00 Kush

          Grow 4 8/23
          2x Northern lights auto
          1 auto 00 Kush
          1 Critical photo

          Don't just "grow weed",
          Cultivate a masterpiece.


            18/6 or 20/4 i've mostly run 18/6 on them cause i squeeze a couple autos in with photos. Start autos first give them 5wks in there then toss some photos in to veg with them on 18/6 for 6 to 8 wks then flip 12/12
            Smoke Ganja create Peace Respect Nature don't trash the Planet

            Soil grower with coco/perlite mixed in
            indoor/outdoor grower
            1 36"x36"x66" tent- Viparspectra P2500
            1 3x3x6 tent- used in late spring for seedlings both veggies & weed. I have 2 viparspectar 450r for that tent.
            I use a t-5 & 54watt CFL for seedlings
            Sometimes i use plastic sometimes i use fabric grow containers
            Currently using fish/guano during veg growth & FF Grow Big 6-4-4 teens to bloom. Once i see pre-flower i switch to
            Age Old Organics Bloom 5-10-5


              Because the door to my grow room is never closed and it shares a hallway with my bedroom, 18/6 works with my sleep schedule.
              Harvest is 75-85 days from sprout, 6-8 oz. Rinse and repeat.
              Organic soil auto grower.


              • Puglover1
                Puglover1 commented
                Editing a comment
                Same here. Autos, door open, end of hallway near me bedroom but my plants are just existing, it's like Ground Hog's Day, every morning.

              I have 6 Autos almost ready to Chop ( 1-2 weeks) 2 BCN Critical XXL, 2 Hindu Kush, 2 Blackberry Gum all look amazing and have been of 18/6 from the get go... Good luck
              Tent 1 4X4X7 VIVOSUN Tent, 2 1000W LEDS, 6in Exhaust W/ 2 18IN Carbon filters 2 inside fans, Cool mist humidifier, Fox Farms Ocean Forest, FF Nutes
              2 BCN Critical XXL, 2 Blueberry Gum, 2 Hindu Kush all in Flower Autos

              Tent 2 "3x3 IPower Tent 1000w LED 4IN Exhaust w/ 2 14 in carbon filters 2 inside fans Cool mist humidifier Fox Farm Ocean Forest" FF Nutes Clean and ready for next grow


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