Is this one leaf troublesome?

[HowardWCampbell]

Dx please. Thank you.

 

[Canuck147]

It's telling you something.
"Where's the CaliMagic?"

 

[Colombo]

blog-cannabis-nutrient-and-deficiency-table-n88 HWC maybe this will help to address your situation, lots of variables.

 

[Mr.furley]

Agreed with Canuck147 what's up with the calmag?

I prefer the Grow Weed Easy plant Doctor in the menu bar at the top left of this page.

https://www.growweedeasy.com/cannabis-symptoms-pictures

 

[Colombo]

No preference here , just what worked at the time