Leaf septoria or something else?

[Aknott87]

Trying to figure out some issues. Plants are a little under the weather. Seems like it's starting from these spots wondering if it's leaf septoria? Temps, humidity, and pH are all good. Starts on lower leaves and they eventually dry and fall off.

 

[Vulx]

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Welcome!

If you give some more information, and take photos of the plant under natural light it would be much easier to help out!

 

[Aknott87]

Not the best photos but here are some leaves that make me think it might be septoria. It seems to affect my plants from the bottoms up.
As the plants go through flower leaves slowly die off from the bottom to the top. I can try get some more examples soon.

 

[Aknott87]

Ive been growing for a few years now. I'd say this problem has been happening the last couple cycles. I didn't give it to much thought until this cycle because it seems to be causing damage a little faster than before.

 

[Vulx]

Are there little bumps in the center of the circles?

 

[Aknott87]

Should you be able to feel the bumps with your hand? I took some magnified pictures and I think I might look like a fungas of some type. But I could be wrong too.

 

[Vulx]

Looks to me like the damage is occurring right around those spots, so your diagnosis looks like it would be right.

 

[Vulx]

What have you tried previously?

 

[Aknott87]

I have not tried anything specific for this yet. I was thinking it has been a pH problem but I have great tap water and check my ph regularly. I use rockwool with ebb and flow tables. I also use a good 3 part nute mix with supplemental calimag and mineral matrix.

 

[BeanTownFan420]

Suspect septoria.

 

[Aknott87]

Continuing on with this problem. Leaves are still yellowing and they drying up and falling off. No bugs, good temp, humidity, pH, and stuff.