Is it Nute burn or cal-mag deficiency???

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trillian

trillian

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Hi guys!,

I have been reading a lot from the articles on solving the matter, but since it is the first plant I grow, I need an urgent help about brown-rusty dots occurred in the sugar leaves only. Let me give details about my plant;
-Random seeds, probably Lemon Haze.
-Coco-Soil Mix - 8CFL ( 250W total) + Led 50W all spectrum light
- We are in the 8th week of flowering period!!
-50% of the pistils are still white, buds gotta fatten up I believe.
- I have been using APTUS k-p boost, NPK ( 10-30-25) and Advanced nutrients overdrive.
- I know the tip of the fan leaves burnt, which is an early sign of nutrients burn.

I'd appreciate if someone could identify wheter the promblem is nutrient burn or Cal-Mag deficiency?
 
trillian

trillian

5
3
Thanks Nick for the answer :) I believe i still got 3 weeks to harvest as the %50 pistils are white and buds are not that fat yet.. should i stop giving fertilizers or decrease it? Do i need to take them to shower for a flush?
 
GNick55

GNick55

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Thanks Nick for the answer :) I believe i still got 3 weeks to harvest as the %50 pistils are white and buds are not that fat yet.. should i stop giving fertilizers or decrease it? Do i need to take them to shower for a flush?
yes i would slightly lower nutes as you go.
flushing well i don’t, but someone here does and they can help with that..
don’t over water them, meaning too frequently..
keep humidity 40-50 24/7 till end..
 
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