heat stress

  1. Discoloration

    Discoloration

    Should I be worried about the discoloration on just one on them. Personally I think it from her having cooler temps at night 64F {18C} or could it be from my lights it a HLG 600 Rspec it does have a dimmer switch I have it set 70% not sure there's no % on it so I am going by all way to the right...
  2. B

    Live Stoner Chat Stunted autos

    So I have grown autos a few times before. Cropking couple of times . First time nothing too impressive the second time plants were about 4ft tall. Then last time I grew Dutch passion Colorado cookies they were great n impressive buds around pop can size..... figured if that's a normal thing...
  3. U

    Light green/yellowish leaves, all 4 plants

    Problem: The 4 plants are at 48 days now, about 1.5 weeks into flower and they are all very yellowish light green. They seem smaller (or stunted) than they should be. The leaves are all pretty small and pointing upwards towards the light. Some of the leaves have lighter bleach looking spots...
  4. D

    Lighting Optic LED Optic 8 Grow light help

    Hi everyone, I am extremely new to growing. I am having trouble figuring out how to best control the light without burning or bleaching my plants. Current setup listed in signature. I can't figure out what's going on here. There is no way a 500w light is too big for the space. Please help...
  5. Tracer Productions

    Excluding Hermies, Do Environmental Conditions Affect A Plant's Sex?

    I came across this idea today on some forums & people were talking about it as if it were the gospel. Pretty sure they were talking about photoperiod plants though. I'm a new grower & had heard about how hermie bananas can form due to heat/light stress, but the idea that things like heat...
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