Yellowing since seed

Cannbosh

Cannbosh

Active Member
Well ive had yellowing since seed really and still dont know 100% what it is, its not nute burn becuase i mix alot of water and other things and everything looks ok, i think 3 of them is just too close to light but not sure? :( Here is a list of pictures to try and show yellowing problem, if anyone can suggest anything much appreciated :)


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Thanks Bosh.
 
If the plants are too close to the light the top leafs would be seriously more affected than the rest of the plant it doesn't seem to be the case here, so I would go with nutes problem cal/mag deficiency? uncontrolled Ph? and some splashing on bottom leafs
 
could be overwatering, lack of airflow but what kind of light are they under? if they are in big pots they might be spread too far from the light. It looks like its getting too big for the light its under. the leaves getting too yellow could become a big problem. consider LST/staking or starting 12/12 flowering
 
wow .. if Im not mistaking (could be, based on them few pics and lack of info) but I see both over watering, PH issues and cal/MG deficiency and maybe also Nitrogen ?

how close to the light ? forgot to mention, not that it matter much as I dont think thats one of your problems ..
I more like to know what kind of soil your in, how you feed and how old they are and some prober pics of the hole plant maybe ..
 
Geronimo420 said:
If the plants are too close to the light the top leafs would be seriously more affected than the rest of the plant it doesn't seem to be the case here, so I would go with nutes problem cal/mag deficiency? uncontrolled Ph? and some splashing on bottom leafs
Click to expand...
Cal mag is fine, http://www.hydrohobby.co.uk/50l-canna-terra-professional-plus-soil.html n petlite and yes splashing is a defo i will fix that soon with drip system :)

hydrosoil78 said:
could be overwatering, lack of airflow but what kind of light are they under? if they are in big pots they might be spread too far from the light. It looks like its getting too big for the light its under. the leaves getting too yellow could become a big problem. consider LST/staking or starting 12/12 flowering
Click to expand...
i have perlite, they're under 600w http://www.hydrohobby.co.uk/600-watt-aerowing-compact-lighting-system-with-sunmaster-bulb-en.html and am using LST next time

Slipon said:
wow .. if Im not mistaking (could be, based on them few pics and lack of info) but I see both over watering, PH issues and cal/MG deficiency and maybe also Nitrogen ?

how close to the light ? forgot to mention, not that it matter much as I dont think thats one of your problems ..
I more like to know what kind of soil your in, how you feed and how old they are and some prober pics of the hole plant maybe ..
Click to expand...
Ph is 6.8 and i use http://www.hydrohobby.co.uk/50l-canna-terra-professional-plus-soil.html with perlite :) so cal and MG shouldnt be, not sure about nitrogen how do i check?
 
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