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  1. WilliamB217

    How long does a photoperiod take?

    Titled. I at first considered light schedule and photoperiod are almost a meaning but now I mixed up. What is photoperiod? when should i begin the photopreriod, any sign of the plants will tell? And how long does a photoperiod take and when photoperiod will end? I knew i can google for the...
  2. WilliamB217

    I need a timer, any recommended?

    Thank you for all of yours help. I will check and choose one. 8-)
  3. WilliamB217

    I need a timer, any recommended?

    Hi my bros~ i currently have two lights from viparspectra, p1000 and xs2000. i'd like to join them together after this round, daisy chain? ? i will ask the seller for this. But my question's is there any a timer that you used is good and can you recommend one to me? Thanks guys.
  4. WilliamB217

    How often do u guys chop the cover crop?

    Titled. How often do u guys chop the cover crop and do u leave it there or remove?
  5. WilliamB217

    Can P1000 Work Through from Seed to Harvest?

    per official stated, this little pretty Viparspectra p1000 light can work all way through from seed to harvest. Is this ture~ My two girls gonna flower in two weeks, need confirm in advance. Thank you.
  6. WilliamB217

    How Much CO2 Is Sufficient?

    I want to treat my girl with some CO2. I know all the ppm scales but don´t want to invest in a CO2-meter. My growspace is roughly 52cm X 94cm X 150cm (0,73m3) and I want to add a 1.5L yeast CO2 generator, feeding it into the in-tent fan. Will this be enough/too much?
  7. WilliamB217

    Need I Chang Intensity for Auto Flower?

    Thank you all. I change up the light schedule with an auto to 20/4, I think they need some rest. Will keep watch.
  8. WilliamB217

    Need I Chang Intensity for Auto Flower?

    I'm using viparspectra p1000 at the grow. In the beginning, the light schedule was 12/12 at 60% after 2 weeks I changed it to 24hrs at 60%. Now week 3 need I change it back to 18/6 at 100% to give the plant a rest? It's autoflower.
  9. WilliamB217

    How to Judge Male or Female?

    I'm wondering when/at what stage of the plant I can tell if it is male or female. Is there any sign that can easily tell? Thank u all.
  10. WilliamB217

    Anyone Done Flowering Stage Successfully with 79 Fahrenheit?

    Thank you very much. At present my tent is 79-84 under one XS2000. If temp. goes up, I will try to add Co2. Maybe no chance lol.
  11. WilliamB217

    Grams/Watt Calculation

    Got it.
  12. WilliamB217

    Grams/Watt Calculation

    I notice that the grams/watt calculation might be misleading. For example my 2500w light puts out actual 530watts. Should this not be the way its actually calculated or am I the only one who thinks so?
  13. WilliamB217

    Anyone Done Flowering Stage Successfully with 79 Fahrenheit?

    Ok, I understand now. Thank you very much.
  14. WilliamB217

    When to trim?

    VEG
  15. WilliamB217

    Anyone Done Flowering Stage Successfully with 79 Fahrenheit?

    Hi, has someone gotten through the flowering stage successfully with 79 Fahrenheit? I cannot bring my temperatures lower than that. I think I need an AC, but they are so expensive it will take me a year to save for one. I am already using a frozen bottle in front of a vent. I have a...
  16. WilliamB217

    When to trim?

    Is it too soon to trim some fan leaves at 28 days so that other parts get enough light?
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