hello, just to answer some of the questions ... I use basically all the additives now or have before ... it takes your reef to the next level.
there is of course a learning curve and takes some time to understand the "science" behind it and what each product does, so you can alter your dosing as needed.
it also makes set up much easier ... display tank with flow .. as much rocks as u wish ... [zeoliths take care of it] sump with skimmer, heater, zeoreactor and GAC. plus lighting on display and that's it.
dosing is once /twice a day ... as said above, if you do not have time for that ... then you wont have time for an aquarium ... takes me about 3-4 minutes a day to dose, but I spend alot more time looking at my corals.
I do not advice ppl's first reef tank to be on zeovit, should use berlin method for a while, and when you have success you should move to Zeovit to take it to next level.
Hope it helped.
some recent pics : and my tank is overstocked with fish IMO.