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Yellow veins

Genuine

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are yellow veins a sign of deficiency? im finding some leaves on my two week olds main veins are yellow and the leaves dont seem to have vigor in them.
 

ozzydiodude

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potassium in it early stages can have a yellowing effect. Be sure you PH is right first before treating in any way tho
 

Hushpuppy

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Yeah I agree with Ozzy, yu could have a ph issue. Those being 2 weeks old shouldn't have been fed much in the way of nutes so they could be tellin yu its time to feed me now.
 

gchristo

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Just went through the same thing w/ some BLZ bud seedlings. At 5-10 days they developed yellow central vein. Battling some high temps 95+ F daytime, and 85-90 F eve temps, so I re-calibrated PH instrument. Sure enough, ph too high. Running hydro, so I adjusted ph and all new growth was fine.
PH is key, so check often, especially in hydro, and when temps are running high.
Cheers.
 

Genuine

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yeah my ph is around 5.7 to 5.9 all the time and i have 2 oscillating fans so it was strange that i had this problem but i think it was a little deficiency though due to the root problem i had earlier but thats almost gone now and both plants look a lot healthier and one of them has really taken up the vegging spirit.
 

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