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Back to Grow Questions
What deficiency this is ?
Ancient_Genetics
started grow question 3y ago
Perhaps in these pictures you can see better, what deficiency this is, whether it is phosphorus, potassium, magnesium or zinc?.
Solved
Leaves. Edges burnt
Leaves. Curl down
Leaves. Color - Yellow
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Roberts
answered grow question 3y ago
Looks like potassium to me. Do not raise your nitrogen level in process. Your well fed there. Always be aware of run off ph and tds or ec.
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Selected By The Grower
Similar Grow Questions
Solved
CrankledLarkus
Ongoing brown and yellow patches forming in week 6 of flower
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Week 14
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5y ago
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HOF_Beats
Any insights on what's causing this issue
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4y ago
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Senior_Weed
Yellow Spots and curling leaves Autoflower
Hey there, One of my Autoflowers has some Problems but i dont know the exact reason. The plant has finished the second week and the leaves are curling and have some yellow Spots. She is in 11L biobizz light mix which i Mixed with 16g of greenhouse feedings Bio Grow at the beginn
Leaves. Curl up
Leaves. Curl down
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4mo ago
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Solved
String
To much water?
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Week 2
Leaves. Curl down
Feeding. Other
4y ago
1
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Solved
Reckoning91
Punta hoja amarilla
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2y ago
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blackcald
Strange yellow spots
Strange yellow spots on top leaves, what am I doing wrong?
Week 3
Leaves. Color - Yellow
5y ago
1
1
Solved
BakedPanda
Seedling Leaves Drooping (8 days old)
Hi, Need some advice for my first grow. Noticed today that the seedling's leaves are starting to droop, they were close to 180 degrees horizontal the day before and I have no idea what is going on. Flushed the pot with water to check drainage, and waters passing through well
Leaves. Curl down
4y ago
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Solved
Fallenjedi
Buds zu klein nehmen nicht an größe zu
Ich habe schon seit geraumer Zeit Probleme mit der Budbildung diese sind zu klein im Vergleich zu den anderen Pflanzen. Die Blätter haben eine Gelbliche verfärbung die von außen nach Innen geht und ungleichmäßig an den neuen Blätter sich zeigt. Auto Duck 4 woche blütenbildung
Buds. Not fattening
Leaves. Color - Yellow
5y ago
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Solved
SwissKush
What are my leaves telling me?
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Week 7
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Yellow
4y ago
2
1
Solved
Jeremi420
Fertilizzato 2 volte di fila. Carenza o eccesso?
hi, biobizz light mix soil, third week of flowering, I doused twice in a row with nutrients. they looked hungry. today I am like that. does it seem shortage? bathroom with only h2o or nutrients? Thank you.
Week 7
Leaves. Color - Yellow
5y ago
1
4
Solved
GameCat
What's going on with these leaves?
I just flushed today with Sledgehammer.
Leaves. Edges burnt
Leaves. Color - Red or pink
4y ago
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Solved
Splifranger
Leaves are dark green light green and brown spots
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Leaves. Edges burnt
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5y ago
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Solved
TheYorkshireFarmers
Yellow Leaf!
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Leaves. Color - Yellow
4y ago
1
2
Solved
CreamOfTheCrop
Brown/Grey spots on the leaves
Hey, I hope this is my last question for this grow :P I've noticed some brown/grey spots on the yellowing leaves, what could they be, deficiencies or sunburn? I'm still feeding the plant with nutes, but the next watering will be a flush, so I didn't expect discoloring before that
Week 11
Leaves. Color - Yellow
Leaves. Color - Dark-brown
Leaves. Color - Black or grey
5y ago
1
1
Solved
Dragosani666
Brown spots on top leaves - nutrients, light or something else?
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Week 4
Leaves. Color - Yellow
Leaves. Other
1y ago
8
3
Solved
koronkonko
What is this symptom? - Leaves
Hi Everyone! my girl is getting more and more yellow with brown dots/spots, starts symptoms one week ago. I gave her CalMag five days ago but is not better. Please, help. What is it? More photo in diary,
Week 8
Leaves. Color - Yellow
Leaves. Color - Dark-brown
4y ago
1
2
Solved
JohnSwaggart
Nitrogen Toxicity? (Day 20, autoflower, Biobizz All Mix soil, only used CalMag and no other nutrients) My other plants look fine.
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Week 1
Leaves. Curl down
8mo ago
1
5
Solved
FrostyCloudzz
Blätter hart, kräuseln sich , CalMag wird gegeben, nicht so stabil wie die restlichen, bleibt in Position wenn man sich drückt/biegt, Blätter rau
Ich kann es nicht einschätzen ob sie sich verbessert, CalMag wird bei jeder Bewässrung gegeben und vorher schon einmal Die Woche aber regulieren tut sie sich trotzdem nicht, alle andere sehen super aus das verwundert mich also bitte ich nochmals um rat von euch was kann es sein?
Leaves. Curl down
Other. General questions
Plant. Twisted
4y ago
2
2
Solved
Ganjamanz
Adivice please
Can anyone please tell me what the bottom leaves are trying to tell me.
Leaves. Color - Yellow
3y ago
5
6
Solved
Traduhh
Please Help!
Does anybody knows whats going on with my plants? Is it lack o nutrients or excess? Ive been monitoring temps, RH, and PPFD. What am I doing wrong guys?
Week 4
Leaves. Edges burnt
2y ago
3
2