you need to add marine salt in order the make the tank brackish. Most LFS don't really know what they're talking about anyway, so they shouldnt really be your main source of info. They will most likely end up leading you down the wrong path. They are what got you into this mess in the first place.
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Current setups: 1800 gallon koi pond, 10 gallon planted, 150 gallon reef, other FOWLR tanks
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