I thought you said you had perlite...I see hydroton, don't I?
or, are you using 2 different mediums?

OK. 1st, I can't see piks real good. they are kind of dark, and if not they are a little small for an old blind f!@#%r, like me.

q. How big are those pots?

q. are you keeping all those plants in that tub? pik4

q. could you make me a little bigger pik4

q. did you take netpots out of a system, or are you watering them in that tub? and, If so, Are the plants just sitting in fluid all the time?

sorry for all the Q's, but I can't see everything as well as i'd like to.