The Grow Awards 2026 🏆 
Is this a calmag problem?
Slickchigdogstarted grow question 5mo ago
What problem do i have? Is it calmag? Help please. I grow in lightlix biobizz and with biobizz fertilizer
Solved
Leaves. Color - Black or grey
likes
Pi_growinganswered grow question 5mo ago
This is not just cal mag. How much watt led used How much cm from plant and how much %? Did you use 100% of shema on every watering?
Similar Grow Questions
Solved
alhambra
First time grower in soil - Plant problemI am a first time grower in soil. This plant is an autoflower and is 25 days into flowering. Can someone please help diagnose this? All the leaves are starting to turn yellow as well.Leaves. Color - Pale
Leaves. Color - Black or grey
3y ago
5
3
Solved
einamio
Weed doctors to the rescueDay 44, fb auto, my happy girl developed those dark spots at the top... Is this a Calmag deficiency? Although I'm giving her calmag every feeding. I think there are also first burnt tips. I'm about to water her tonight, what should or should not give her? Thanks for your inputs🙏1y ago
3
5
Solved
MEDICAT
What happened to the leaves?What happened to the leaves?
Was it caused by too much water?
(Coco ph5.8)Leaves. Color - Black or grey
4y ago
4
3
Solved
Royalgorillaxx
LeavesShall i cut them leaves?Leaves. Color - Black or grey
Leaves. Other
5y ago
2
2
Solved
PakaloloTingz
Grey spots on leaves and yellowingThe leaves are looking light green to yelloe and there are these dark edges on the leaves are showing up.. Has anyone experienced this before? It was happening a bit before transplant but now it seems to be getting worse. I just transplanted within 24hrs... Stress? Overwatering?Week 8
Leaves. Color - Black or grey
5y ago
1
1
Solved
Otherland_Wildspice
Bugs/Spiders in Lower Canopy - Black spots on leavesI found some small bugs that were making Nets in the lower canopy. I removed the net all the leaves that were infected. Does anyone know what kind of bugs they are and how best to fight them?Leaves. Color - Black or grey
Other. Bugs
Plant. Other
5y ago
1
1
Solved
Australianbuds
Leaves turning funnyHello can anybody please tell me what this is and the cause plese for the leaves to be discoloured and dying ogfLeaves. Color - Black or grey
2y ago
1
1
Solved
CreamOfTheCrop
Brown/Grey spots on the leavesHey, 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 that6y ago
1
1
Solved
TupacFR
Old leaves , black spotHello ,
today i cutted some leaves lowest who were yellow , on the plants.
these leaves do not have much light.
but i found some black spots and i don't know if it's lack of sun and simply died ?
Can i just cut them ?
What do you think about that ?
ThanksWeek 9
Leaves. Color - Black or grey
5y ago
1
2
Solved
JoeyJoeGrowJoe
Leaves brown and crispyLeaves brown and crispy
Day HR % 55 Night HR % 65
watering them everyday, could that be the problem ???Week 5
Leaves. Color - Black or grey
5y ago
3
Solved
FiFrElOt
Taches noires sur les feuillesDemande de confirmation de diagnostique: J'ai remarqué des taches noires aux extrémités des feuilles. Je pense qu'il s'agit d'une carence en phosphore?
J'ai un peu tardé à nourrir ma plante.
Dans mon dernier arrosage:
Ph 6.5
EC : 1.8
Terra bloom, green sensation, pure zym.
MerciWeek 5
Leaves. Color - Black or grey
4y ago
1
1
