Yup, first for me tank, inhabitants, skimmer, ro/di, controller, canisters, macro algaes, lights, better lights then even better lights, uv, ozone, ato, fragging tools, insane amount of super glue every week, more corals and inverts here and there, new type of salt here and there, try new additives here and there, denitrator and list keeps on growing sigh...
Just got me some seachem 2 part doser with seachem purigen (yeaI love seachem) and Julian's thing. (Met Julian Sprung, very nice/smart guy)