diamondof5 Posted April 4, 2009 Share Posted April 4, 2009 OK, MY SALINITY is really low 1.019 Need to get it back up to 1.023 How much should we do at a time and how often???? I have a 180 gal tank with a 30 gal Sump. We have been putting some (Not sure exact amount my husbands been doing it.) in the filter in the sump off and on since last night but it does not seem to be going up. HELP!!! Quote Link to comment Share on other sites More sharing options...
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