I was doing some research on trace element levels in reef aquariums and found this chart:
http://www.saltwater-aquarium-online-guide.com/water-parameters.html
It contains a comparison chart of almost all water parameters and gives suggested/average levels for Reef, FOWLR and actual reefs.
http://www.saltwater-aquarium-online-guide.com/water-parameters.html
It contains a comparison chart of almost all water parameters and gives suggested/average levels for Reef, FOWLR and actual reefs.