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Back to Grow Questions
Magnesium deficiency?
RinNohara
started grow question 5y ago
Hey guys is this a nitrogen and magnesium deficiency I got going on here?
Open
Leaves. Color - Yellow
Feeding. Deficiences
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Answer
Roberts
answered grow question 5y ago
You have a ph in your substrate is off. You are in lock out on several nutritional needs. Run enough of correct ph water through soil till run off reads in range then replenish nutrition.
1 like
Complain
Theptsdgrower
answered grow question 5y ago
Dude you seriously need Epsom salt, first I'd hydrogen peroxide my soil, flush, then epsom and cal mag
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Complain
Similar Grow Questions
Solved
ExoticGrower
Clones have yellow leaves. What should I do?
First time "Monster cropping" (A clone from a flowering plant) and they are rooting inside of humidity dome in a Rockwell cube, being sprayed to keep moist. The clones are yellowing, what should I do until they root?
Leaves. Color - Yellow
Setup. Clones
Feeding. Deficiences
4y ago
6
6
Solved
kaiabel
More leave pictures because im starting to worry more. Need tips or kind words :-)
11.03 last feed all had ph 6.7 and 980ppm , 15.03 1200ppm 6.7 ph except the wc (short one) guess its was 980ppm. one fedd is around 15l for four plants, water is sitting for 4 days till its used. adding mag because tapwater has 90 cal 11 mag so its not near the 3 to1. Lights 80%
Week 10
Leaves. Wilting
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
1
3
Solved
Dudders
To flush or to treat?
Some yellowing leaves, mixture between cloudy and clear trichomes. Do I flush from here on in. Or treat a possible deficiency?
Leaves. Color - Yellow
Other. Harvest - Drying
Feeding. Deficiences
5y ago
3
3
Solved
SgtDoofy
How to fix yellow leaves, brown spots.
What should I do about these brown spots that are overtaking my leaves? There's also yellowing on the lower, older fan leaves.
Week 6
Leaves. Curl up
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
5
6
Solved
flo_420
LIVE SOIL. too much nutes or not enough?
I think its toooo much nutrients from the live soil, and cold/dry conditions for too long. but someone else said it's lacking nutes? (I was sick, and they were a bit neglected for a bit.. ) using live soil, like I said more info in my diary thanks so much for any input đ
Week 15
Leaves. Tips - Burnt
Leaves. Color - Yellow
Feeding. Deficiences
4y ago
5
3
Solved
Dillsnills
Wondering if this is a pH issue or a deficiency? Started at lower leaves now starting towards the middle, advice on what to do is appreciated
Pretty sure I have some pH issues going on, looking for opinions on what's going on n what to do? I started pH water to 6.7 cuz my runoff was at 5.8-6,used growers recharge, then a nute feeding. Advice greatly appreciated rh50 temp73-76. Should I cut off affected leaves?ffhappyfr
Leaves. Color - Yellow
Setup. Strain - Autoflowering
Feeding. Deficiences
5y ago
2
3
Solved
Kwczekus
Help!!
Help I've been in the hospital my husband's been watering but my plants are sick help what do we do?
Week 6
Leaves. Edges burnt
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
6
Solved
Organic_G
My Plant has a defizid
Hallo Freunde, Meine Ladys haben wohl bisschen Probleme, kann mir jemand sagen was es sein konnte ?
Leaves. Color - Yellow
Feeding. Deficiences
4y ago
2
2
Solved
Scratchie
Sulphur deficiency?
This hindu kush has light green/yellowing coming from the centre and it has been going on for about a week, does anyone know why this is happening? I was thinking sulphur deficiency but given how rare that is, I would someone with more experience to give an opinion.
Week 2
Leaves. Color - Yellow
Feeding. Deficiences
4y ago
1
1
Solved
Rando1314
3/5 plants turning yellowish lime green
Leaves turning yellow on just the larger 1s, same feeding schedule of gh products. Maybe nitrogen or calmag deficiency? 1st time this has ever happened esp w them all being the same strain would figure they would be good w the same-ish nutrient guideline. Ne ideas appreciated ty
Week 10
Leaves. Color - Yellow
Other. General questions
Feeding. Deficiences
5y ago
2
2
Solved
RFarm21
Deficiencia de calmag/nitrogĂȘnio?
Boa noite, o que se passa com ela? DeficiĂȘncia de calmag/ nitrogĂȘnio? TambĂ©m tem estado muito frio pra strain Gorilla, serĂĄ que se vai aguentar? O pH do runoff estĂĄ dentro do intervalo. Tenho esperado quase uma semana entre regas porque a temperatura com luz ligada ronda os 20°
Leaves. Color - Yellow
Feeding. Deficiences
5y ago
1
1
Solved
Rollex420
Deficiency or light stress?
I start by saying that the light was not close enough to cause stress imo.. was about (30cm) of distance from this plant. it seems that it is more a deficiency in my opinion but I don't know exactly which one.. What do you think about that?
Leaves. Color - Yellow
Leaves. Color - Pale
Feeding. Deficiences
5y ago
2
2
Solved
420_Little_Green_Fingerz
Deficiency?
I think I have an issue here which could be a calmag deficiency please could I ask if you think im right? Thanks
Week 5
Leaves. Color - Yellow
Leaves. Color - Mottling
Feeding. Deficiences
5y ago
4
4
Solved
CaptainKirk1188
Fixing deficiency/toxicity/overwatering issues
How do I properly identify and remedy these issues with my babies?
Week 12
Leaves. Curl down
Leaves. Color - Yellow
Feeding. Deficiences
3y ago
7
10
Solved
kush_dreams
Nute burn or something else?
My middle and top leaves are yellowing from the tip and edge inward, is this the nutrient burn or another issue altogether? Runoff PH was 5.9 and ppm was 700.
Week 13
Leaves. Tips - Burnt
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
3
2
Solved
GhettoStyle
problems with clones!
Friends, tell me what's wrong with the plant! I don't understand it's under-feeding or over-feeding! At first I thought it was a cal-mag deficiency, then I saw a purple stem and thought it was a phosphorus deficiency! Now I don't know what it is anymore! at the very beginning it
Leaves. Color - Yellow
Setup. Clones
Feeding. Deficiences
4y ago
1
7
Solved
JacareGrows
Leafs yellowing
What can this be? It happened in 1 day. Is plant asking for nuts? I added only water for 4 days because i was afraid of been giving to much nutrients. Could be a pH problem?
Week 9
Leaves. Edges burnt
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
1
1
Solved
Ionic20
Phosphorus deficiency getting worse?
Near enough every leaf is damaged now, all the new growth appears to be dammaged too and very yellow. Am I going to lose my first plants?
Leaves. Curl down
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
8
9
Solved
Dillsnills
Deficiency of P and K?
Can someone help me with what is going on w this Pineapple Express Auto Fast Buds, week 8 of flowering, it looks like a nute deficiency, P and K. Looking for advice input opinions greatly appreciated. Run off ppm 1100 intake 350 ph 6.5-6.6.
Leaves. Curl down
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
1
1
Solved
Leonard_Lunte
Leaves turning yellow from the bottom up
My older plants leaves are turning yellow from the bottom up. Its probably a nitrogen deficiency I think, I read that its common for plants in late flower but this one just shot its first pistils. What would be the smartest thing to do to combat this? Thx Its only on 4 leaves rn
Week 4
Leaves. Curl up
Leaves. Color - Yellow
Feeding. Deficiences
6y ago
4
3