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  1. ... schooling fish the mollies need at least 3 in a group and the STs need at least 5 in a group) 5 swardtails 3 black mollies 3 white...

    6 Answers · Pets · 19/08/2011

  2. ... through chemical introduction or RODI filtration. Do NOT use STS as well (sodium thiosulfate), another version of a chlorine reducer, it causes white...

    8 Answers · Pets · 25/10/2015

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