So, i did a pot check up with a cheap rapid test ph probe. all plants were 5.70 to 6.5 ph. except one was actually 5, i'll check them all again today.
the runt AK47 was approx 6 which surprised me a bit. i thought low ph was why it was slow to grow. so i'm thinking it just doesn't like low light levels small led's, 1 cfl, and a touch of sunlight via a window occasionally. only air circulation is via a cracked window occasionally and the heat that blows when it comes on. temps in the rooms stay around 72. I need to check RH but it's not high at least and i would guess it's not over 60 ever.