Plants drooping badly just before lights out

Discussion in 'Sick Plants and Problems' started by defrag, Sep 10, 2007.

  1. 400w MH 18/6 light cycle
    FoxFarm OF Soil
    No Nutrients yet
    1.5 months since germ

    This may be nothing to worry about but I want to make sure. My plants look great during most of the day, no drooping at all, however about 3 hours before the lights cut out they definetly start to droop pretty bad.
    I dont think Im overwating, nor underwatering.
    When the lights come on in the morning they pick up and look fine right up until the 3 horus before the light turns off.
    Also, I am not sure if they are too yellow at the new growth sites? Is this normal or should I start feeding them? I have BigBloom, GrowBig, and TigerBloom nutes from FoxFarm.



  2. try raising your lites 6-10 inches, this scheduled droop , is generally from the plant transpiring excessively, it cant uptake the moisture as fast as its loosing it.the lites go out the plant regains the mositure it looses, and perks back up

    the lighter green centers is also an indication of accute temperature swings, getting colder where you are at nites?
    or it to could be the lite heat as above

    rootbound (which your plants are not ) is another cause of this, particularily in combination with plants that are trained in watering frequently
  3. temps flucate between 75-85

    I will try raising the light, although using my hand it does not feel warm at the top of the plant
  4. You're plants look Great. They need a feed and the wee yellow will go away.


  5. I have Grow Big, Big Bloom, and Tiger Bloom

    I mixed up a 1sp of GrowBig in a quart of water in a spray bottle, gonna try doing some foilar feeding. Never done it before so not to familar how it works.

    I plan to spray down that one yellow plant in the morning and see how it reacts

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