@027Hempsei, Nice considerations! Yeah, higher rez make the ph/tds slower to change, that's something good. And in your case, those 4 box fitted very well.
Don't you feel that use too much nuts? I mean, not the proportion, but the overall use. In my country is hard to find these, that's why I've asked, i'm trying to figure out a way to save in nutrients.
And how do you keep temp so below the outdoor temp?
like 1