So not much different than with HPS regarding light stress symptoms.
Maybe I have to much going on 3 cobs for my wardrobe 35x90x170 cm (14x35x67 inch) 2 plants.
But can always switch one off, anyway will find out soon with this test run.
I read about adding Mag/Cal when using the Cobs is this strain specific or the general rule or
the combination of Cobs and autoflowers?
This will be my first cob/autoflower grow did many old fashion runs