is this a good nutrien?

[Matanuska Thunder]

hoping a few Auto growers will chime in... I'm not one of them 

not too sure what to recommend to you, beside finding other Auto grows and see what they did.

 

those potting mixes have nutrients built into them - often, that is too much for cannabis, you're lucky your plant is doing quite well

I'm now hesitant in recommending extra nutrients - if you have naturally green thumbs -play it by ear

...wait for others to chime in on that one

 

you keeping the plant under 24hours of light, it may help the plant get a bit bigger (dunno if that is true with auto's too tho) before trying to flower

any chance of direct sunlight during the day, even through a window may help (not sure how strong the sun is down there tho)

 

and yes, use the seasol (white bottle) once per week starting with your next feed/watering.