Do I have to worry?
GrowingGrannieanswered grow question 4y ago
Pretty certain this is Leaf Spot Fungus otherwise known as Rust Fungus... and you'll need to jump on this quickly as it spreads fast... it spreads by spores that you can't even see so don't think you've got any time to waste here... I won't go into all the details of what you need to do as this article is very thorough.. Do give it a read and get going so you don't lose your entire grow...
https://www.urbanorganicyield.com/rust-spots-on-leaves-during-flowering/
Good luck!
Brewer1112answered grow question 4y ago
I would just keep an eye on it. If it spreads then you probably have a deficiency. Also pay attention to where it start. New leave is usually a mobile nutrients, the old bottom one it not.
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Youthmananswered grow question 4y ago
Probably Is simply burned from water (lens effect) i dont think Is a fungus
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Anonymous_2022answered grow question 4y ago
Hi there
I will just remove the leaf keep a close eye on it and make sure no more pop up… seeing as your at week 9 flower the end os so close i would just cruise on
Best of luck 🌱
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