I think there are a fair number of us who use artificial sea water and who don't dose anything... let us know what you are planning to dose and perhaps someone with more experience can tell you whether they think it is necessary or not.
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-Quinn
Man, n. ...His chief occupation is extermination of other animals and his own species, which, however, multiplies with such insistent rapidity as to infest the whole habitable earth, and Canada. - A. Bierce, Devil's Dictionary, 1906
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