Hi RIU !
My cali hash plant is under my 250w hps in my closet, she is around 2 1/2 months old now i vegged for a while whilst seedling on the window sill for around the first 4 weeks, just switched to 12 12 now have started adding guano.
The leaves are all dying way too early on her, i have removed the first set of branches because of this but its a good idea to anyway i think because they will die off eventually and the plant will focus on bigger branches at the top, but bigger fan leaves are dying with the stems of these leaves all purple What could this be down too?

overwatering

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adding guano to what? other nutes? water?

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I like it alot so I smoke a lot of it.

Its not down to over watering i know that,
Im adding guano to the water to make the guano tea i find it just settles on the soil when you top dress.

Soo no1 can help me out then no ?

What color do the leaves turn before they die? Purpling is usually a sign of colder temperatures. If the stems are a shade of purple, it may be to much nitrogen. What does it look like? It's sort of hard with out a picture.

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They turn pure yellow, only a few are doing this and the stems of the leaves are purple if not going brown, should i remove them theres one big fan leave thats yellow and a few smaller ones. Havent got my camera atm sorry man.

did you give your plant any high N fertilizer before?
You should fill the plant with nitrogen while in veg to have enough of it in flowering. if you haven't gave it any you should give it some now.

the way to tell N def. is that new growth is lime green. a picture will make the identification proccess way easier.

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Yea i think it must be lacking nitrogen then the whole plant itself is a touch light green could be darker. Started with the guano thats high phosphorus you think that could help?

Get some high N fert with it. guano if you want, or another.
if the N is high enough in the guano maybe it will do - whats the guanos NPK values?

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