Similar Grow Questions
Solved
1juan420
greyish leaftips and dieing branches after toppingthe highest branches died after topping. It looks to me like they had the same symptoms like some new upper branches are developing now. It looks very dark & feels soft
Temps were 17-19°C & Humidity was 90%+ Water should be PH5.9, think ph reader might be wrong and ph is too low?
Leaves. Color · Black or grey
2y ago
1
1
Solved
Glen1818
Nutrient Burn ?Hello, can some one Tell me whats this is ?
only one of four plants had this problems
im watering when its dry , 2.8-3.3L
Week 9
Leaves. Color · Black or grey
5y ago
3
4
Solved
Smokeyboar
If a plant has cal and mag and phosphorus def how do you correct theseIf a plant has cal and mag and phosphorus def how do you correct these
Leaves. Color · Black or grey
6y ago
1
3
Solved
Frm11001
Mi situación empeora! AYUDAVERY COMPLETE DESCRIPTION IN COMMENTS!
Leaves. Color · Black or grey
5y ago
4
6
Solved
igrowtomatoes
which deficiency?what deficiency does this look like? (specifically the plant with the yellow tips,blackish leaves,and brown spots on lower leaves)
ph is around 5.9 but also i know my meter is probably not accurate. i thought i was underfeeding if anything,did have root rot.
Week 4
Leaves. Color · Black or grey
6y ago
4
3
Solved
Clutch
What leaf problem am I dealing with?Fan leaves are turning black from the inside to outside. What's going on here?
Leaves. Color · Black or grey
5y ago
3
4
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🙏
2y ago
3
5
Solved
Aragon
Grey spots day after rigged up the humidifierI've hooked up the humidifier 2 days ago, yesterday i looked into the tent and noticed that the 2 healthy girls got weird grey spots all over, the RH was at only 40%, ever since i noticed the girls sick i turned off and cleaned out the humidifier with alcohol, anyidea whats this?
Week 2
Leaves. Color · Black or grey
6y ago
1
5
Solved
timbarin
What deficiency do you think I'm dealing with? These are old fan leafs.
Week 13
Leaves. Color · Black or grey
6y ago
4
2
Solved
The_Wanderer
Cold or hot extraction for antioxidants?What preserves anthocyanins in our cannabis leaves better? If we want the antioxidant properties so we can use them for our benefit, which is better? Cold gentle extraction or use of heat? A traditional african practice centuries old makes tea from leaves to treat certain illness
Leaves. Color · Black or grey
10mo ago
4
3
Solved
tangie
Yellow & brown spots in 2nd and 3rd week in coco-perlite nursery cup. What am I doing wrong? Fed until 20% runoff (extra), strained. Smth with roots?2nd grow in 70/30 coco-perlite mix* & very similar issues w. yellow/brown spots in weeks 2-3, then stabilizes.
*CalMag & pH buffered 6h @ 0.5mS, pH5.8, strained** & seed planted.
Feed:
W1: **Strained sol. + water 70/30, pH5.8… Show more
2y ago
9
5
Solved
herbalistssword
Grey leavesNoticed some leaves getting a brown grey colour. Any idea what this is? Seems to only affect leaves on one branch
Week 19
Leaves. Color · Black or grey
6y ago
1