You are off to a good start.
I've been wondering if 5 mm leds were usefull IF you keep them within an inch or so.
I have vegged well with 300 10mm. leds at 4" .
For flowering, I had to "kick it up a notch"
Now using 12. 15W emitters for flowering.
Happy that someone is trying these.
I' ll lurk about, to see what happens.

Good luck,
Weezard