So.
My brain scratcher for you. No worries if you dont have the answer.

Dwc is grow style.

Ph 5.6-5-9 typically 5.8 on the dot

Reservoir temp is a tad high around 73°f but roots are happy.

Humidity is low room temp is fine.

She has had dark rust spots coming up since she was young. Like bumper rust dark. All over only the big fan leafs. Not the bud leafs or sugar leafs at all.

Have changed my cal mag. Fed it more fed it less. Nothing helped.
Shes about halfway through flower. Mostly prays even though she is spotty. She is a giant and a thirsty gal. 3-5 liters a day.

Apx size is 4x4x4. Very long sativa leafs and colas. Beautiful plant. Just cant get the rust issue to stop.

Any idea?
So, like a dark rust color? Lighter around the perimeter I'm guessing?
That's rust. It's a fungus, and can really spread. Even with lower RH, some plants can be susceptible. A copper or sulfur based fungicide will hold it back, I'd wipe it rather than spray it. Any fans (it'll hit them first) that are covered inspots I'd trim and burn.
Not the end of the world, but just like any spore driven bastard you'll need to sterilize you're space.
 
So, like a dark rust color? Lighter around the perimeter I'm guessing?
That's rust. It's a fungus, and can really spread. Even with lower RH, some plants can be susceptible. A copper or sulfur based fungicide will hold it back, I'd wipe it rather than spray it. Any fans (it'll hit them first) that are covered inspots I'd trim and burn.
Not the end of the world, but just like any spore driven bastard you'll need to sterilize you're space.
Thats a new one. Hmmm. Very possible.
But only on her. But ill def be careful with her when removing the leafs. As i have been progressively .
Thanks red. Thats actually a fitting theory.
Even if its not the case you have me thinking outside the box i was in. Still a huge help my man
:d5:
 
Thats a new one. Hmmm. Very possible.
But only on her. But ill def be careful with her when removing the leafs. As i have been progressively .
Thanks red. Thats actually a fitting theory.
Even if its not the case you have me thinking outside the box i was in. Still a huge help my man
:d5:
I'm hoping this is a good pic... anything like this?
rust.jpg
 
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