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 Nut burn, burnt edges ?

Discussion in 'Autoflower Infirmary for Sick Plants' started by Wolf416, Aug 13, 2019.

  1. Wolf416

    Wolf416 Auto Warrior

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    Hey Guys,

    Growing photos in a 4 x 4 tent. Two 300 watt vipa spectra lights. Medium is 3/4 happy frog 1/4 ocean forest. Plants are clones. Temps are kept at 79 f and 55 h they are in flower stage. All plants are in 5 gallin pots ,they are showing signs of nut burn and cal mag issue I think. To rectofy I have given plants 2 litres of water per plant with 5 ml of seaweed and 1 ml of calmag mix and ph water of 6.3. I think they have a calmag issue. What do you guys think? Please see pics below 20190813_224531.jpg 20190813_225149.jpg 20190813_224651.jpg 20190813_224646.jpg 20190813_224600.jpg 20190813_224552.jpg 20190813_224848.jpg 20190813_224838.jpg 20190813_224751.jpg 20190813_224740.jpg 20190813_224513.jpg 20190813_225145.jpg
     
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    Waira likes this.
  2. Waira

    Waira Growing strange,... Staff Member Global Moderator (SA)

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    :toke: - we need more info Wolf, please fill out the patient form in the colored section above this one... just c/p it into here, and fill in,... an in-pot pH is really needed, a lot hinges off of that... I'm betting though that you don't have a pH probe handy! pH of water.nutes going in is no indication of actual pH of the soil, too many influencing factors in there,... Pending the other info, a crude run-off test can at least point out if it's off enough to warrant fixing measures, but that needs to be done properly too; you'll need pure water, as in RO/Di, very low ppm water... This prevents skewing of pH by harder tap water which buffers pH,...
    That said, it could be nute burn, and/or pff pH magnifying the problem,... K defc., Mg defc. can present similar symptoms....
     
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