yeah better not rush it. 1 kg of live rock per litre??? Umm i think its typo error.
Some made in china brands work decently, some dont. Its always good to start off with a good skimmer.
Its always good to get the equipment working for at least a few hours, then add some rocks, moniter parameter then add some cleaning crew, coral then fish. I always prefer to add fish last seem they're the hardest of all to keep...