I only use a few of the Zeo products daily (Coral Vit, AA concentrate, Xtra). I dose Bak once per week, but I think my bottle is expired
I couldn't even imagine how much it would cost to automate dosing of several Zeo components unless you could mix them into a solution.
P.S. I try to run ULNS via Bio pellets but I know my PO4 is higher than it should be. So it's not a full ULNS yet. But you should see the crazy polyp extension I get!