Yellow Spots on Lower Leaves!

utopiahitman said:

Double Diesel Ryder (auto)
24 days from seed
Nutes: BCuzz Soil Nutrition A and B, BCuzz Root Booster, BCuzz Soil Booster

I noticed this morning the lower leaves of the plant with a few yellow spots.

Any ideas?

Please let me know ASAP to fix it quick. I don't want it to spread to the rest of the plant.
View attachment 1496904View attachment 1496903View attachment 1496902

Click to expand...