The Grow Awards 2026 🏆 
Help
HappySkunkanswered grow question 6y ago
Hey. I’m no expert, but I think it looks like what my plant got and some people said that it was a cal/mag deficiency, so maybe try to look into that.
GrowGuy97answered grow question 6y ago
@HappySkunk starting some cal-mag today, hopefully it works! Thanks for the help!
likes
Complain
Similar Grow Questions
Solved
THERMICDESERT11
Brown spots on my leavesGrowing organically with happy frog mixed with a super soil concentrate. I water them with spring bottle water, ph at 6.Recharge every 10 days. Top dress 2-2-2 dry amendments and I top dress in week 4 of flower with the super soil concentrate.
Why are my leaves having spots?Leaves. Color - Dark-brown
5y ago
1
3
Solved
Vyzon1
Ph issues leaves dyingI have a few leaves showing signs of ph issue, should I cut those leaves off now or wait until they die off?Week 3
Leaves. Color - Dark-brown
4y ago
12
8
Solved
Medi_K8
Browning of plant 1 lower leavesGuidance please, On my 1st plant it looks like it has a pH issue however my other plants don't have any signs of a problem. I don't have a pH meter but have test strips and I have not seem an issue with my water. Is the browning on some of the lower fan leaves normal?Week 8
Leaves. Color - Dark-brown
5y ago
2
2
Solved
JesusChrist
Saw this first day of 12/12Pretty sure this is just where I got nutrient solution on my plant yesterday when watering unless it's something else? I pulled these leaves off 1 plant when lights came on this morning. Every Plant looks 💯 great besides these 3 leaves, all from 1 plant rest of plant is great.Leaves. Edges burnt
Leaves. Tips - Burnt
Leaves. Color - Dark-brown
5y ago
1
1
Solved
Dillsnills
Can someone plzz help with what is going on?Can someone plzz help me w what's going on, not sure if it has to do with nute deficiency,nute burn, ph or what it's only w 2 of my plants a lemon autoseedmans Orange Sherbert Auto fast buds, should I trim the leaves that r affected or in general what can I do. Ph 6.5 wk6flowerinLeaves. Color - Yellow
Leaves. Color - Dark-brown
Feeding. Deficiences
5y ago
1
2
Solved
NipplesMD
Please check the last pictures I have posted. This is about a week after transplant, and the plant also has burnt tips. Are the brown spots from something other than transplanting into hot soil? They are in KIS water only soil and I have only been giving well water, ph is 6.8ishWeek 3
Leaves. Color - Dark-brown
6y ago
2
2
Solved
TickleToast
What am I looking at?Redish Brown spots, and slight discoloration.
Magnesium deficiency? Calcium? Other?
Gave them a splash of Calmag, but was it even necessary?
OR, should I have just swapped nutes and wait, then correct if not improved? (It was nute day, that's why I ask!)Leaves. Color - Dark-brown
5y ago
2
2
Solved
Misanthrope
Dry brittle leavesDiscoloured older leaves curling up at the edges and turning dry and brittle. I think my problem is over or under watering. I've been very careful to avoid overwatering so I'm leaning towards the latter but what I've read online suggests dry/brittle means overwatering. Thoughts?4y ago
3
3
Solved
thebiglebowski
Bonjour à tous pouvais vous me confirmez que cela vient d'un trop d'engrais ?Leaves. Color - Dark-brown
4y ago
3
4
Solved
willertex
Brown Marks, Drooping leaves and pH falling downhttps://growdiaries.com/diaries/125449-grow-journal-by-willertex
Please mates help me: what is herproblem ? Her pH continue falling down since 3 res, I tried all levels of EC, but she never stabilized. 3 weeks of bloom. Roots looks ok.Leaves. Dropping off
Leaves. Color - Dark-brown
Feeding. Chemical composition
4y ago
1
2
Solved
Ravenouside
El problema de manchas café sigue igual le baje los fertilizantes a 1/2 dosis según semana después de 1 semana de solo agua embotellada. El PH de la solución generalmente es de 6,3-6,5, aparentemente la cola central está más gorda pero me es difícil notar la diferencia,Week 7
Leaves. Color - Dark-brown
7y ago
1
1
Solved
heythere12345
Weird leave color sad looking leavesWhat does that colour on the leaves mean? Also does it look like overwatered? I watered today 1L after 3 days of not watering and pot was lightLeaves. Color - Dark-brown
Plant. Wilting
4y ago
1
1
Solved
Cannabis_carlitos
Cal-mag issue that won't go awayI keep getting a cal-mag deficiency. I have been using 1ml per liter of water - 4ml roughly per gallon. It is only 1 plant, the same which has had the same cal-mag issue since early veg.
I include cal-mag every watering and nutrient feed day.
You can see images for referenceWeek 9
Leaves. Color - Dark-brown
3y ago
2
3
Solved
Addip
Issue first week of flowerI have some leaf discoloration and curling... the leaves are normal green with brow edges what could it beLeaves. Curl down
Leaves. Color - Dark-brown
5y ago
1
1
Solved
Someboty
Brown Leafs?What is going on here?
i saw that my plant got some issues with its leaves.
I got my self Bio Bloom from bio bizz my friend told me it could help but it is already day 3 and it did not get better. what should i do?Leaves. Color - Dark-brown
Techniques. Defoliation
2y ago
1
4
Solved
Terra_Farma
Brown Patches on Older LeavesSlight yellowing and brown mottled patches.
Only on one of the two plants and they’ve been treated and fed exactly the same.
On some older fan leaves, no signs of anything on new growth.
Anything to worry about at this stage? Maybe just a sensitive pheno?
Any advice appreciated.Week 7
Leaves. Color - Dark-brown
6y ago
3
3
Solved
rkomaaa
Heat stress? Pls some opinionIdk what's happening
Probably heat stress because is all th time more then 30cLeaves. Dropping off
Leaves. Color - Dark-brown
3y ago
3
6
