New Grower First time autogrower..

[420Kush]

Hey guys, I planted my first 2 autoflower seeds 3½ weeks ago, (feminized-auto-purple-glam-kush)
and I am wondering if they are progressing as should, or if they are too small for their age..any input sure is welcome

 

[Ripper]

They look pretty good.. Can I ask are the leaves always droopy like that? How often do you water/feed?

 

[420Kush]

They're not always droopy like this, I flushed them this morning due to getting nut-burns might be why, got a little carried away with the feeding i suppose hehe..
gave them maybe half of dose that it said on the bottles, think i should cut down to 1 4th of full dose instead, what do you think?

 

[Ripper]

I didn't see any nut burns but I only saw the pics on my phone.. Thought they looked fine