Major Yellowing. Help asap!

They are almost 3 weeks into flower. They started yellowing right at the switch but i didnt think anythimg of it since a little leaves dying is normal. But it has couninously progressed to where leaves are completely dying off on a daily basis.

I thought it was Nitrogen but I fed them with veg nutes the previous watering and it doesnt seem to have helped. I watered again with bloom nutes yesterday and nothings slowing it down.

The two are of the same strain wwXbb and i have another in there that has yellowed a bit but nothing like this. Do they need a straight shot of pure nitrogen or what? Please help.

Repot it into a bigger container with some soil with feed in it.

Yeah, fresh soil is hard to beat. Yellowing leaves won't go green again so take your cues off the newer growth. This is sort of a feeding lesson for your next grow.

I figured that was the issue... I didnt plan on vegging as long as i did. I left like 4 inches in each pot so i could top them off if they stretched but they hardly did, do you think i could top it off now that those lower leaves died? Would it be enough to correct the problem? Im limited on space, i dont think ill have room to upsize the containers.

Like mentioned above what's gone is gone watch your new growth now to see how it responds to feeding ......and don't go N crazy to try to fix the problem ....next time keep the N going longer .....there's no reason to cut N out at the first sign of flower like some people do ...I'm not saying you did this but I personally will just add bloom nutes to my regular veg nutes for the first several weeks of flower then start dropping my veg nutes/N eventually just using bloom nutes once the buds are already stacking nicely putting on weight which bloom nutes still have N but in low levels in my case......my plants still fade but not until well into flower and by harvest the old fans look pretty rough with gorgeous buds. Good luck

Bugeye said:

Yeah, fresh soil is hard to beat. Yellowing leaves won't go green again so take your cues off the newer growth. This is sort of a feeding lesson for your next grow.

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Ive repotted. You say yellowing wont go green but will they stay alive? Basically, im wondering if the leaves that were only half yellow continue to eat thierselves like a disease or will they just stay the color they are?

if they're half dead they'll die, but you should get some new sun leaves and sugar leaves growing in, and they should be nice and green.

^yup. Keep going and see what you get. Can still be very good.