Beginning of Week 7 *Tip of Bud Leaves Turning Orange/Brown* HELP!

inTron

Active Member
Entering week 7 of flowering and it looks like I may have an issue. I was having an issue with a most likely phosphorus deficiency during weeks 4-6, but I took the advice given here and I think the issue was resolved. It appeared that I had a nute lock and needed to lower the dosage of nutes a bit.

I am growing under a 1k light with 6 plants in 5 gal pots. I am growing in pure coco.


Nutes:
Botanicare CNS17 Coco Grow
Botanicare Cal Mag Plus
Fox Farm Open Sesame, Beastly Blooms, Cha Ching


pH=5.8


I did a flush with 1/4 strength nutes. I took down the supplemental nutes completely so I am only using the CNS17 Coco Bloom, Cal Mag, and Fox Farm Beastly Bloomz (1/2 strength). PH at 5.8.


A couple of the plants that were turning lime green- I added some nitrogen and the plants went back to a solid green. Thanks for that!


For the most part, the plant looks like they are doing better, but hard to tell since it is only budding and can't see the new growth.


It is now week 7 and I am now noticing the tip of the leaves turning a light orange/brown tip color?!?! This is happening on the top fan leaves and on some of the small leaves next to the buds.


It seems like the strt of phosphorous deficiency?!?! How can you tell the difference between nute burn and phosphorus def? When looking into it, it seems like the start of it appears the same?


I am at full strength for the cal mag. 75% for the CNS17 Bloom and 50% strength on the FF Beastly Bloom (high in P and K), but about to switch to the FF Cha Ching.


Any ideas on the tips burning/changing colors? I thought it would be nute burn, but maybe it's phosphorus def and is still an issue? It is the leaves near the buds so is this a very serious issue?


Once I make a change i.e Flush.....how long does it take to have an effect?


I've been hand feeding once a day. Then I do a watering on the 3rd. So feed twice then water.
 
Burnt tips are always nute burn of some form. i would suggest lowering your feeding schedule slightly and that should prevent the tips from burning any further...maybe try feeding once a week with full nutes and just plain water the other two times. other than that i'd say your buds look great man, wouldn't worry about it too much
 

inTron

Active Member
Burnt tips are always nute burn of some form. i would suggest lowering your feeding schedule slightly and that should prevent the tips from burning any further...maybe try feeding once a week with full nutes and just plain water the other two times. other than that i'd say your buds look great man, wouldn't worry about it too much

Thanks for this! Yes, I started lowering the nute levels and it has been working great. I will do what you advise.....thanks for the post. Appreciate the help!
 
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