+ rep yellow spot on main cola pic need help + REP

hey i am starting to see a yellow golden nugget type of scene on a couple of my main colas..i dont know what it could be ive been scowering around and no luck yet..any ideas what it could be?

heres the pics

heres three angles to the same cola see the yellowness

I'd guess a nitrogen deficiency.

Your buds look good but the leaves look funky. I see you are in clay pellets, have you checked your ph? for hydroponics it should 5.8 - 6.0

selmagreen said:

Your buds look good but the leaves look funky. I see you are in clay pellets, have you checked your ph? for hydroponics it should 5.8 - 6.0

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i was thinking nitrogen also... my ph is around 5.91 per my hanna meter and i calibrate it haha I am using the full genral hydroponics line so how would i be deficient in anything? you know

do you have a ciculation fan in there im just guessin that it might be enviroment problem

looks like an N lockout. maybe some heat stress. id flush.

J.cun.Shallow said:

do you have a ciculation fan in there im just guessin that it might be enviroment problem

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have a circulating fan right on them.

budforever442200 said:

looks like an N lockout. maybe some heat stress. id flush.

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possible maybe ill flush tonight.

Good luck!

did a flush and think it might have done the trick..they responded well...I have another problem though..anyone use the henna ph meter i let mine dry out and now i cant calibrate it correctly?

If you let it dry out it might be useless now. The worst thing to do for those is let them dry out. Also you asked how you can have a deficiency when your using the full general hydropoincs line. You can still get defiencies regardless of using all the nutes needed even if using a whole line. The reason for this is becasue your plant will need and use more of certain nutrients throught its life cycle depending on what the plant needs and what nute has it. If you have a plant that needs more nitrogen at that certain time in its life cycle it will use all the nitrogen up in whatever nute has nitrogen in it and then will not have as much nitrogen as needed untill you feed it again. PLants use more of certain things and certain times during thier life. Even using the reccommened amount of nutes will not always supply the plant with everything it might need. You need to learn how to read your plant so you can give it more of what it needs or less of what it doesnt need at that time of its life. I cant really see from the pictures anything wrong with the plant and i cant see the yellow but normally yellowing in the leaves is due to a nitrogen defiency. Goodluck and i hope i helped out some and i hope you you get your problem dialed in and have a great grow