I use seachem reef salt. It seems to have a good level of calcium and all the additives that I need for my nano tank. I don't have to dose much of anything and I do regular water changes weekly with it. Just my opinion...
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24 Gal Aquapod. Coralife 150 watt MH. 100 watt Stealth heater.(2) Koralia Nano powereheads. Maxijet 1200 sump pump. 36lbs of live rock and 10 lbs of live sand. (2) false percs, , (4) turbo snails, (3) red legged hermit crabs, (1) frag of green star polyps, (1) frag of xenia, (1) frag of yellow button polyps, (1) frogspawn,(1)alveopora (1) green open brain, (3) zoo frags, (1) trumpet coral, (1) leather(toadstool).. | 
