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Yellowing of leefs on new seedlings

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    HELP! Yellowing of leefs on new seedlings

    Hi. I've just started my first auto grow and there on day 5 above the serface and on 2 of them have just started to go yellow any ideas I've got a 1.2x1.2meter tent a 600w hps dimnerble and have only had it running at 250w I've got a 4inch out take a 12inch osculster on now I'm just wundering if I should turn the light up to 400w and have it about 12inch away can anyone help please

    #2
    Hey Milldog Any photo's? There are very few instances where seedlings will fail once they have their heads above the soil - The three biggest causes are 1. Too wet 2. Too dry 3. Nutrients added too early (they don't need any until AT LEAST 2 nodes have developed on your plants)

    There’s way more to GWE than the forums. Looking over the information found at the following link will help you in the future.
    https://www.growweedeasy.com/cannabis-symptoms-pictures
    Click image for larger version

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    Last edited by BU2B; 01-15-2022, 10:05 AM.
    "I can't stop thinking big, I can't stop thinking big. In a world where I feel so small. I can't stop thinking big." Caravan | RUSH
    GWE4ME

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      #3
      The light is not why the leaves are yellow but going to 400 and 12 in. above sounds alright. Have a great grow !!
      Focus and relativity.

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        #4
        Thanks guys I think I know what it is now I started to add half the amount of rizotonic it says for week 1 thinking that would be OK but I will go to just pH water till the next set comes through thanks again

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