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Thread: lightgreen leafs at the top

  1. #1

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    Default lightgreen leafs at the top

    Hey guys,

    for a couple of weeks the colour of my plants at the top is changing to lightgreen, partially yellow.
    In vegetationstage everything was fine..

    The plant which had the most distance to the light startet with this problem.

    Chronic:
    -Clear water with 6.8
    -I startet with the fertilizer about 3 weeks ago cause I thought the medium was out of nutrients. I gave to times 1/3 of the recommended scheme with pH6.3.
    -Then I gave 2 times clear water with 6.3 and 6.6.

    Also, I got some overfertilisation after the two times of fertilisation. So IMOH it cant be a lack of sth.

    Critical Kali Mist (65 - 70 days Flowering)
    Highest Plant : 1.10 m
    Size Pot (l) : 2x8L Airpots, 1x8L RootPoutch
    Area: 0,36 m²
    Medium : Plagron lightmix 3l, Plagron Royalmix 5l
    Veggitime : 36 Tage
    Floweringtime :40 Tage
    Today: 76 Tage
    Fertilizer : FloraNova Bloom 4-8-7
    Lamp : 250W HPS - Distance: 20cm
    PH :6.3-6.8
    Humidity :35%
    Temperature :18-27°C

    Hope the Pics will help you and sorry for the bad english.
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    Last edited by gorki; 09-12-16 at 12:31 PM.

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  3. #2

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    Default

    Your light is a bit low , 8" raise it a bit 250w i reckon 10" . but that not your prob . but probably a nutrient lockout due to having fed too much and having fertilizer in your soil . 8l pots ,(i have 23 liter pots) those are pretty small for a plant that size , especially in an airpot , she is rootbound and possibly nutrient lockout . flush her , then use following water/feed scheduled

    Water, Water , FEED 1/4 strenght , and go from there Meine Freund , Du bist Deutsch ?

    A plant that size in a airpot will use tons of water .

  4. #3

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    Thanks for your answer!

    Yeah, unfortunately my height is limited by now.. So my Buds are getting bigger and they look pretty good, shouldn't be a nutrient lockout harm the complete vitality?

    I am watering with lots of Drain (20-30% are getting out at the bottom) so accumulated salts shouldn't be a real problem.

    Could you explain the rootbounded lockout? Sorry not really getting it atm. Maybe I got a translation problem

    Yes, have to water every 4-5 days cause they are pretty empty! Ja mein Freund, ich bin Deutsch!

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    Trex (09-12-16)

  6. #4

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    Its 2 different things . Can be one or other

    Nutrient lockout is when you have too much built up salts in your roots , got to flush thre time the amout of pot in volume .

    Rootbound , means theres no more place for roots to expand , although this slows down during flower , they still expand .


    I would explain it in german , but I am limited to basic conversation ,

    Ich studierte vier jarhe im 2000-2004 , aber ich habe niemand zu sprechen hahah . Eine tag , Ich mag besuch Deutchsland . Besuch nacht Berlin meine traum

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