I'm not sure which one to get! I've never used one before so i don't know really how many modules I will need. Maybe someone can help. My upcoming tank specs;
30 gal IM Nuvo
Kessil 360w
Colbalt heater
IM Ghost skimmer
Sicce return
(maybe) Mp10 Qd
I want to dim the kessil on/off, auto top off...