+Bmwaaron Posted January 21, 2007 Share Posted January 21, 2007 Ok I have a PM Calcium Reactor 422 and my ALK is 12.8 dkl but my CA is only 420ppm How do I lower my ALK to around 9 but keep or raise my CA? My Mg is 1290 and my PH is 8.2 Quote Link to comment Share on other sites More sharing options...
thedude Posted January 21, 2007 Share Posted January 21, 2007 Are you dripping kalk? Quote Link to comment Share on other sites More sharing options...
+Bmwaaron Posted January 21, 2007 Author Share Posted January 21, 2007 No I dont use Kalk Quote Link to comment Share on other sites More sharing options...
Greenmako Posted January 24, 2007 Share Posted January 24, 2007 check the dkh coming out of your reactor your probably running a pretty high dkh there. If so you might want to Dial back your reactor a bit you could dose some vinegar in small amounts I've seen a few do this on RC but that would be my last result and only if my alk was in the super high teen's. Quote Link to comment Share on other sites More sharing options...
Wryknow Posted January 24, 2007 Share Posted January 24, 2007 Change salts to ProMarin PRO. It is designed with a low dKH (like 5 or 6)specifically for mature calcium reactor systems like yours that have elevated dKh levels. Mixing those salts will help you control your dKH just with routine water changes. Quote Link to comment Share on other sites More sharing options...
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