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Grow Questions
Mould on top of substrate
Mould on top of substrate
Dat_Maltez_Loud
started grow question 3 years ago
There is some sort of mould on the top of the substrate. I think I will spray it with diluted hydrogen peroxide. Is this a good Idea?
Solved
Week 1
Other. Mold
like
Dr_Drexxx
answered grow question 3 years ago
Hey ! Don’t spray it ! Looks like it’s just the great white’s beneficials bacterias and fungi that shows up. You’ll be perfectly fine.
1 like
Complain
Selected By The Grower
ChitownCannaChica
answered grow question 3 years ago
Trichoderma fungi—- common and it’s a sign of healthy soil! Leave it be!
1 like
Complain
PEACEMAKER
answered grow question 3 years ago
Hm ml of cal mag u use? And is it organic? It can just b salt build up no need to worry but a pic would be better, good luck 👍
like
Complain
m0use
answered grow question 3 years ago
Its not dried minerals salts from using liquid fertilizer is it? GW is a living product. some of the things growing maybe part of it. Good Luck!
1 like
Complain
PEACEMAKER
answered grow question 3 years ago
Pic for more information
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Similar Grow Questions
Solved
Saturate8264
Genetics or budrot?
Hi all, my Royal Jack Auto from RQS is in 7th to 8th week and on the tip of the main cola these red, brownish spots appeared. Humidity has been 50% yesterday and before 40-45%, plenty ventilation in the tent. Around 24 to 28 °C. Could this be the start of budrot or am I paranoid?
Other. Mold
Setup. Strain - Autoflowering
5 months ago
4
2
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PedroAndHisPlants
How do I get my humidity down?
Help! It's raining for another week, and our humidity is around 65% to 75%. Should we use more fans, or what would you recommend? Dehumidifiers? Thank you in advance.
Other. Mold
Other. General questions
Other. Other
5 months ago
1
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Solved
grout893
What is this white feathery thing?
I think it popped up just within a few hours. There are also other things wrong (see week 3 of my diary).
Week 3
Other. Mold
5 months ago
18
3
Solved
muscaria710
growdiaries Usernames
did you see this? is it ossible in 2024, having someone who think its funny? @fastbuds @growdiaires pls give this "grower" the feedback he/she deserves greetings
Other. Mold
6 months ago
5
5
Solved
girlwhogrows
Salt or Mould ?
Is this mould or salt build up on the sides of my pots? Growing in 70 coco and 30 perlite however humidity has been pretty high over 50 sometimes 70
Other. Mold
6 months ago
1
4
Solved
millerman543
Well I messed up a little I just pulled out my sticks I was using to label my seedlings and I find this white mold on them. I removed the sticks and dirt around should I use an anti fungal thing? I already have had gnats too but treated for them. This living soil is no joke eh
Other. Mold
7 months ago
2
3
Solved
KushManAdam420
Powdery mildew ??
Is this powdery mildew ? Week 1 of flower just started but this bud site has been maturing for the longest . Now the entire plant is fully starting to flower .
Other. Mold
8 months ago
1
2
Solved
Frosty_Buds
Mould on seedling
This seed was late to spawn. Now it finally opened, even if it's quite short on the soil. I can see a fluff of mould just below the cotyledons. What should I do? Can I save it or do I risk contaminating the rest of the plants in the growbox?
Other. Mold
Setup. Seedling
8 months ago
4
4
Solved
fgrgeargha
First Grow 4 weeks into Veg - Let my humidity get too high for 1 night. Need help with mold/septoria/?
Last 3 days I've pruned diseased leaves every morning, foliar sprayed peroxide leaves & topsoil, & added some to watering solution. Is only affecting one plant in tent. Humidity no longer issue (was waiting 4 inline fan). If I keep pulling off leaves it's going to die anyway.
Leaves. Other
Other. Bugs
Other. Mold
8 months ago
3
3
Solved
JayJou420
Mold?
its my first grow is this mold? im constantly at around 40-45% humidity no signs of mold on plant itself just at the top of the medium its biobizz if its somehow relevant and if its mold what can i do? i appreciate any help and sry for bad english its not my first language
Other. Mold
9 months ago
1
1
Solved
ImIHighyes
Mold suspecting
Hi, this is my first amateur growing, I have 2 strains Bud Orange Auto and Skywalker Auto. I noticed a musty smell from my 2 plants, one is almost ready but the other one seems in stuck.. From the pictures, could you give me some advice if my plants are healthy or not? Many thank
Other. Mold
9 months ago
2
3
Solved
Pechu420
Fear of mold
Are these signs of mold? The humidity here is very high, the fan is on, but it's complicated. I see no signs of powdery mildew. But could it be some other type of fungus?
Other. Mold
13 days ago
9
5
Solved
Nachtjasmin
Schwarze Spitzen und Flecken nach Neemöl-/Kaliseifenbehandlung in der Dunkelphase. Schimmel? Dran lassen oder abschneiden? Bitte um Hilfe!
03. November: Zu Beginn der Dunkelphase, einen Mix aus 200ml Wasser mit 2ml Neemöl, ein Schuss Rapsöl und 4ml Kaliseife, auf die Pflanze aufgetragen. Grund dafür ist ein Befall mit weißer Fliege. Alles habe ich nicht aufgetragen. Heute sehe ich schwarze Flecken. Ist das Schimmel?
Week 3
Leaves. Color - Black or grey
Other. Mold
19 days ago
1
7
Solved
DoneWithIt
I messed up.
Hello my Friends, i have 2 Problems. 1. i think my Plants have little mold spots here and there (pictures) and 2. they develop little love bags (seen on 3 of 7 ladies). I wanted too harvest in 3-4 weeks. A friend said maybe i should kill them right now because it just gets worse.
Other. Mold
Other. General questions
Plant. Too short
a month ago
3
Solved
unlegitTand
Fungus on plant
I know where it comes from... I was too stingy and didn't want to turn on the heating on cold rainy days- air too humid. Can I somehow save the affected bids or do I have to remove them? ( Just fan without heater I’ll have about 10*C)
Other. Mold
a month ago
5
Solved
BudMunchies
Remove Powdery Mildew on Clones?
I have successfully cloned all 4 of my plants. However I also ended up with a powdery mildew problem. Or so i think thats what this is. Are these clones ruined, or is there a good way for me to kill of the mildew without hurting the clones before i pot them in soil?
Week 8
Other. Mold
Setup. Clones
a month ago
5
5
Solved
MMSC16
PM covered plant sentenced to death - What would you do?
I'm about to destroy this plant. Each branch has heavy PM despite having ample airflow. I suspect due to the lack of direct sunshine, but I'm sure it's spread to other plants which will also be destroyed. Is there anything I can do to salvage? What would you do? Thanks!
Week 15
Other. Mold
2 months ago
6
6
Solved
BoboLacetti
Funguns?! or normal? Deep Water culture + Top Feed
Hello, I started my first hydro dwc grow. It's a DWC with top feed (I always had that on). Is that a fungal infection on the trunk? and if so, how bad is it? what can you do? Or is that quite normal in a DWC with top feed?😱
Other. Mold
Setup. Strain - Autoflowering
Feeding. Automatic systems
2 months ago
1
1
Solved
DwarfPlant
Mold? Fertiliser leftovers? What can i do?
Hey. Since 3 days ( after the last watering with fertiliser ) there are moist places - some places have Water drops that are not drying out on lower leaves on one of my plants. Could this be leftovers from fertiliser that i might have left unintentionally or mold? Advices?
Other. Mold
2 months ago
2
2
Solved
Ryuko
Powdery Mildew
I got some powdery mildew on 1 of my plants any Ideas what would help to get rid of it? Kinda scared to spray some random shit on them cause of the fact that they are in flowering phase
Week 14
Other. Mold
Setup. Outdoor
2 months ago
8
5