I really appreciate your input @Donaldj
I seriously considered bumping up to the 8/16 as 6/9 results in such low ppm’s and I have read so much about being in the 1200 range for flower but 6/9 is never going to get you there. Being my first grow currently and wanting to play safe and keep it simple I went for the 6/9 but I see some experimentation coming in my next grow !!
I am using autopots, which I like, and it is a passive pseudo hydro as the plants are bottom fed continuously from a central res. All my studying on these pots suggested not shooting for real high ppm’s due to the continuous nature of the system. Lots to learn.