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Back to Grow Questions
Sulfur burner/vaporizer
Wild_Bill
started grow question 5y ago
Will 99.9% MSM be sufficient to use in sulfur burner/vaporizer - to take care of WPM? Thanks in advance!
Open
Other. Mold
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Answer
Wild_Bill
answered grow question 5y ago
White Powdery Mildew
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Complain
GrowCN
answered grow question 5y ago
What is WPM?
1 like
Complain
Similar Grow Questions
Solved
DopeGrows
Temps Humidty Optimization, Worried about mid/late flower
Hello guys My grow tents have high humidity. A fan is venting into attic. There is a vacuum in the room so the air is circulating+ dehumidifer outside tent Maybe too many plants? Night~19° Day~25°
… Show more
Week 6
Other. Mold
Setup. Ventilation
4y ago
7
4
Solved
Maskedcucumber
Should I be worried?
I'm getting green mold on my root riots because of overwatering, i made the transplantation but I should have waited till the roots got deeper probably, I irrigated too soon. I irrigate now only when it is a bit dry. Is it bad ?
Week 3
Other. Mold
4y ago
4
5
Solved
Accidental_Grower84
Mold in my early flowering?
I just inspected my plant and noticed some grey/darker areas in my buds, I cannot understand if it's due to the purple stem or it's just pure mold. What do you guys think? Is this Botrytis?
Week 10
Other. Mold
5y ago
2
2
Solved
Bembeto
Hojas raras
Something is happening to the leaves, I don't know if it's a deficiency or fungi. Can you give me a hand?
Week 7
Leaves. Color · Dark-brown
Other. Mold
Feeding. Deficiencies
5y ago
4
2
Solved
ZhugeTsuki
Still cant figure out what's going on with this plant. EC was over 2 for a couple of days but has since been taken care of, last reading was .83.
Is this a deficiency or some other kind of issue? Some have suggested a p or k deficiency, but I feed Jack's 20-10-20 peat-lite so I would be very surprised if it was a P problem, and the problem seems to be all over the leaves, but a lot of them start from the base of the leaf.
Leaves. Color · Black or grey
Other. Mold
6y ago
3
Solved
greenflipcali89
How to treat (NOT prevent) Powdery Mildew on a flowering plant (week 4)?
Ok, here is a question to ALL growers out there. How do you remedy Powdery Mildew on a flowering plant? I gave her a major defoliation and sprayed the milk/water sol'n. So HOW do you treat PM? Milk/Water or H2O2/Water? Or?? Suggestions?
Week 12
Buds. Other
Other. Mold
6y ago
2
4
Solved
fares19
lsd-25 flowring transplant
hello i had my lsd 25, it had nutrition burn so i flushed it with like 10 l for a 11 l pot , 3 days after it got some mold on the fabric of the pot itself and i freak out , i took the whole plant and transplant into other same fabric pot it's in 4th flowering , is that bad ?
Other. Mold
1y ago
1
3
Solved
Sandero
Is this mold during veg?
All of my plants that are outdoors (different strains) Have started to turn brownish and mushy looking. We have had lots of rain, 95* temps, and 80% humidity at nights. is this the start of some kind of mold? Is there anything I can do? Thank yall!!!
Leaves. Wilting
Other. Mold
5y ago
3
3
Solved
Branbran
I feel that I kept my plant vegging for too long. It seems a lot taller than it should be and now I am not sure whether I should remove fan leaves or top the plants again to halt their upward growth. OR should I do nothing because they will stop growing upwards soon anyways?
Week 9
Other. Mold
8y ago
2
1
Solved
dusk84
Unsure if this is pm starting or not
Are these white specs powdery mildew or dead skin of my chin? If the latter do I spray the plants with peroxide? Week 4 flower start check the 2 photos zoomed in
Week 12
Other. Mold
3y ago
6
6
Solved
NetherHeaven
White hairs on seed
Hello growers! I started germinating my White Widow seeds 3 days ago and there is some kind of white hairs growing from it but the seed is not cracked and there is no root yet. Why is this happening exactly? Should I worry?
Other. Mold
Other. Other
Germination. Paper
6y ago
2
2
Solved
Raf87
Mashrooms and Plants Height
Is the height of the plants too much? They seems too high and weak. As you can see in the pictures I have to remove mashrooms every day, I reduced humidity value down to 55% and I keep open the room window and closet door to ensure air recirculation. Is it so bad?
Week 2
Other. Mold
Plant. Stem · Weak
5y ago
4
3
Solved
Mooncat
Expanded clay layer on bootom for better drainage
Is placing a layer of expanded clay on the botton of your pot a good idea? i only tried small rocks before for the drainage but heard those claypellets might work better (and are lighter)... Someone any expierence with that?
Other. Mold
Setup. Substrates
6y ago
1
1
Solved
PapaBaer
Erntezeit mit neuen Bildern
The colas haven't changed in a week. Is it ready to be harvested? I can't get the trichomes focused through my microscope. They mostly look milky. What's up with the brown, curled leaves?
Other. Mold
Other. Curing
Other. General questions
5y ago
1
1
Solved
JoopyBritannia
Small bud rot - Harvest or finish off? 9 weeks into flower
I've had to cut about a 1 inch section off the top of one of my colas due to what appears to be rot. I've checked the rest of the plant and can't see anywhere else that has been effected. Should I harvest now to be on the safe side or let it finish up?
Buds. Other
Other. Mold
Other. Drying
5y ago
4
4
Solved
Nachtjasmin
Schwarze Spitzen und Flecken nach Neemöl-/Kaliseifenbehandlung in der Dunkelphase. Schimmel? Dran lassen oder abschneiden? Bitte um Hilfe!
November 3: At the beginning of the dark phase, I applied a mix of 200ml water with 2ml neem oil, a splash of rapeseed oil, and 4ml potassium soap to the plant. The reason for this is an infestation of whiteflies. I didn't apply everything. Today I see black spots. Is that mold?
Week 3
Leaves. Color · Black or grey
Other. Mold
2y ago
4
6
Solved
Erasmus
Best way to control humidity?
I have a 4 inch inline fan blowing in air at the bottom, I have a 4 inch inline fan sucking air out the top and a 4 inch fan to circulate air inside and a large 300 foot air dehumidifier in the tent but my humidity is still 50%-60% constantly. What am I doing wrong?
Week 7
Other. Mold
6y ago
3
Solved
GooglieBear
Possible mold issue
I've had a drastic change in smell... overnight. Smell went from very pungent to an earthy almost musty smell. Could this be a precursor to bud rot? Or is this sometimes normal? Humidity avg 50-55% during day and no higher than 65% at night with constant ventilation/circulation
Week 11
Other. Mold
6y ago
3
Solved
Filippo33
Grüner Schimmel Erdoberfläche
Hi guys, green mold on the surface of the soil. Is that bad? Some say no, others yes???
Week 2
Other. Mold
6y ago
1
1
Solved
JuanHaze_Arg
Moho in the pot
I have a little gray mold on the bottom of the geotextile pot. I am using bioenhancer which brings beneficial bacteria and fungi such as trichoderma, do I have to get into trouble? How do I remove mold from fabric without damaging the roots?
Week 14
Other. Mold
4y ago
6
4