Auto Jack x Auto White Widow Fem starting out

So here we go. I have a 6ft grow tent with meh circulation right now but I'm upgrading that soon. Starting an Auto Jack x Auto White Widow Fem and a Auto Blueberry x Auto Sweet Tooth Fem about 2 days apart right now. The Blueberry has yet to pop out of the ground but here's what the Jack looks like.





Currently under two LEd lights from Taotronics 90w and a 125W, I'll be adding another 125W blue spectrum and a 50W in my next grow since the plant will be larger and I'll be able to hit more angles. I feel like the LEDs are well worth the money just looked at my last plant it was growing like a beast, but ended up being male.
Let me know your thoughts on the strains and if anyone has had prior experience with autos, is 20/4 light a good amount? Are feminized autos worth it (these were free sample seeds) and what's your opinion on LEDs if you wanna give me opinions. Also, what mix of dirt/perlite should I use?
 
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