The soil in your pots looks kinda dry when I zoom in. Maybe if you could get a clearer pic would help.
Just wondering how long you’re going between waterings.
Once they start stretching in flower , the demand for more liquid at a time goes way up. Whether organic or synthetic nutes are used , generally makes no difference for the plant.
With organic the soil shouldn’t dry out so you may have to give a little - more often.
Here’s a link to some very accomplished living soil growers and their discussions on doing it in the dirt. Lol.
Definitely worth a read through. These guys know their 
. 
