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Back to Grow Questions
Nutrient burn
Mitch
started grow question 6y ago
How can I fix a nutrient burn on a seedling?
Solved
Leaves. Color · Black or grey
likes
smoke24
answered grow question 6y ago
Seedlings don't need any nutrients for a good 12 days at least. Stop giving nutrients, water when dry, it will grow out of it.
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Selected By The Grower
Similar Grow Questions
Solved
kem0s
what is this?
1 plant has grey interveinal leaf spots and grey wilted edges. never seen this before. its only on top of the plant. my temps dropped to 17°C last night. light intensity is about 500ppfd. im guessing that it is a ph issue or overfeeding the other 2 plants are fine
Leaves. Twisted
Leaves. Color · Black or grey
8mo ago
4
7
Solved
DrJoint
PH issue ?
Hi guys! Could you please advise what is the problem with my Chempie and how to deal with this issue ?
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
Plant. Stem · Red or purple
6y ago
3
2
Solved
Yasai420
Flower discoloration
All flowers of one of my two plants have grey/black discolorations, is this something to worry about? My other plant is totally fine.
Week 5
Buds. Other
Leaves. Color · Black or grey
4y ago
6
5
Solved
Oggigz
Should i care ? I m going paranoid xD
Hello guys, i m on day 28 from seed i would like to have some points of view of another growers.... leaves got silvered/brown colored with snowy aspect... not on all leaves but i m pretty affraid of insect and shroom contaminations... thx for replies men and gurls
Week 3
Leaves. White powder
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
5y ago
3
3
Solved
Fro5ty
Necrosis at upper leafs of 1 plant in RDWC
Are the leafs dying? Or am i having a deficiency? Hangover NYE. slept till monday. pH dropped to 5.0 by then. Changed water. 2 days EC 0.8 to 0.6. pH stable 6.3, is weird, caus it has been dropping continuously. Lower leafs look fine. It's also the ripest girl fyi. Problem worsen
Leaves. Color · Black or grey
4y ago
1
3
Solved
ScottShelby
Weird spots!
HELP me out please , what the plant is trying to tell>>?, I'm using CFL lights, watering with 300ppm and 6 pH
Week 3
Leaves. Color · Black or grey
5y ago
2
2
Solved
Catova
Fungus or Mold When Drying?
Drying for about three days in bathroom with rh approx 55% and temp 70 f. Seeing blackening of the sugar leaves, is this a fungus or mold? Any cure?
Week 10
Leaves. Color · Black or grey
5y ago
6
3
Solved
Kaiserschmarn
My seedling doesn't look so good.
This is my first coco grow so could be possible that I made a mistake. The other three seedlings are super healthy but this one has this weird thing with it's leaves. Somebody seen this before? I gave them some root juice and fertilizer before transplanting with ph between 5,5-6.
Leaves. Color · Black or grey
6y ago
2
3
Solved
Smokeyboar
If a plant has cal and mag and phosphorus def how do you correct these
If a plant has cal and mag and phosphorus def how do you correct these
Leaves. Color · Black or grey
6y ago
1
3
Solved
Grnhead
In the 3rd photo in week 12 there is spotting on the leaves. Does anyone have an idea of what that is from? A deficiency? I had trouble getting the nutrients right and that showed up first after I flushed for a few days.
Week 12
Leaves. Color · Black or grey
7y ago
1
2
Solved
GrowYourFive
The problem in plants when I supplying CO2
Hello! After adding CO2, I noticed problems on the leaves of my plants. Grow in coco+perlite, water with 1100ppm solution, 1000ppm co2 in air. Drain from the right 1400ppm and 1800 from the right. Is it related to co2 and irrigation system?
Week 5
Leaves. Color · Black or grey
Feeding. Automatic systems
Feeding. Chemical composition
4y ago
2
2
Solved
FiFrElOt
Demande de diagnostic
Hello, I'm currently in week 7, my problem has been going on since week 5 and I can't identify it... Has anyone ever had a problem like this?
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
Feeding. Deficiencies
5y ago
2
2
Solved
Aragon
Dark spot on the leaves of my seedling
Hello, i have a weird dark spot on my seedlings idk what it is and if i should be worried. I know on these genetics the leaves can turn dark purple but I don't think it would be happening this early. I fed them nutes for the first time yesterday and today this dark spot appeared.
Week 3
Leaves. Color · Black or grey
6y ago
2
2
Solved
Terp_Djiny
What could this be?
I have no idea what this could be! It came in one night and affected several sun sails. Pnly small black dots. The environment has not changed. Continuous temperatures and a relative humidity of 40%
Week 21
Leaves. Color · Black or grey
6y ago
2
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
6y ago
1
1
Solved
einamio
First time DWC, day 70, 3 weeks in flower. Nasty rusty spots appear on lower leaves. Is this CalMag or else? Please help understand and fix, thank you :)
I'm using TA Tripart, current EC is 1.6 - ph 5.5-6.5. Everything was smooth until week 10. Two weeks ago I started adding Plagron Power Buds and Green Sensation. Yesterday added CalMag to see if it helps, but it doesnt seem to... She drinks a lot, ph mostly goes down, EC static
Week 11
Leaves. Color · Dark-brown
Leaves. Color · Black or grey
Leaves. Other
1y ago
8
6
Solved
eldruidamx
What is....?
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Week 8
Leaves. Color · Black or grey
6y ago
4
3
Solved
DrBuffy
Darkening and curling of fan leaves
What is causing darkening and downwards curling of the fan leaves? Started a few days ago, concerned if I don't fix it now it will spread and stunt my plant
Week 6
Leaves. Curl down
Leaves. Color · Black or grey
Setup. Strain · Autoflowering
6y ago
1
Solved
Cookie_monster12
What is this caused by? Spreading through mid leaves quite fast
Week 8
Leaves. Color · Black or grey
5y ago
4
4
Solved
Bochica
Hello growers please help on this one, since yesterday the leaves are getting curled, yellow stains and kind of black on the leaves, you better see the images. In the third image you can see how the leave is getting these black/golden color. Any suggestions? Ty
Leaves. Color · Black or grey
3y ago
2
4