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Unread 05/19/2014, 05:12 AM   #119
Randy Holmes-Farley
Reef Chemist
 
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Join Date: Apr 2001
Location: Arlington, Massachusetts
Posts: 86,233
Then I'm not sure why it is 500 ppm, but that is not too high. If you want it lower, just use only the alk part of the two part for a while and let the calcium decline over time.


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