Yellow tips / leaves - end of flowering - too many nutrients? Too high PH? Bud porn photos included!

[fumaganja]

Hey all,

I'm on my 8th week of flowering, I'm about a week off harvest. I have leaves on a few plants that are dark green but turning bright yellow on the tips and edges, some places looks like a part of the leaf has burnt/crisp.

What do you think this could be? I'm guessing maybe nutrients or ph levels. First photo attached is the photo of leafs, I know I'm being one of those annoying people asking yellow leaf diaognoise while having the HPS light on lol.

Also attached bud photos, looking amazing!

 

[onegreenthumb]

It looks ph issue is short on a micro nute it slowly moves up the leaf to feed and protect the bud maby Cal or Mg???

 

[fumaganja]

It looks ph issue is short on a micro nute it slowly moves up the leaf to feed and protect the bud maby Cal or Mg???

Possibly, I've recently added Cal-mag to my mix, along with all the standard bloom nutrients, maybe it is too much?

 

[Nutty sKunK]

Possibly, I've recently added Cal-mag to my mix, along with all the standard bloom nutrients, maybe it is too much?

Cal-Mag stimulates the uptake of other nutrients so probably just made your soil too hot as you included a feed as well.

Not the end of the world. Just feed lighter or plain water.

 

[onegreenthumb]

The extra cal mag will not be beneficial if the ph is off or like Nutty skunk offered it could no be hot and may have cook a few roots IDK hey at least you are in week eight

Its hard because it could also be underwatering as well what is medium and feed schedule

 

[fumaganja]

The extra cal mag will not be beneficial if the ph is off or like Nutty skunk offered it could no be hot and may have cook a few roots IDK hey at least you are in week eight

Its hard because it could also be underwatering as well what is medium and feed schedule

Yes it's hard to say,I think it is since I've added the cal mag. I always keep my ph between 6,2 - 6,7 and give a good watering every 2-3 days when soil is dry.

Yeh good it's at the end lol, but would like to learn to make next time better!

 

[Roger A. Shrubber]

a lot of plants will fade towards the end of flowering, it's natural and not anything to worry about in my opinion. they're trying to finish off certain processes, and if they're a little short, they'll cannibalize themselves to get what they need. adding more nutes at this point would actually be counter productive, and might delay the ripening process, just let them fade.

 

[onegreenthumb]

Yes it's hard to say,I think it is since I've added the cal mag. I always keep my ph between 6,2 - 6,7 and give a good watering every 2-3 days when soil is dry.

Yeh good it's at the end lol, but would like to learn to make next time better!

The fun thing is learning.... I do a lot of researching, reading to try new things.... I always find people believe different things...... I try to look at life as a whole I believe flushing is unneeded that is what I believe it is not a proven science I dont know anyone besides a hand full of cannabis growers that do it....I have never met a farmer or rancher or arborist that starves their plants, trees or animals before harvest in hopes of a better harvest, but that is just me