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  1. #1
    ToX
    ToX is offline
    Senior Member ToX's Avatar
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    Sep 2005
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    Help with water parameter

    ok so I tested for the first time in a year my ph, kh/alk, and ca this morning when only the actinics were on. I was just wondering if all my parameters are okay and if not, what do I have to do to get them on par.

    Ca = 320ppm a bit low i know
    kh = 7.4 to 7.7
    alk = 2.53
    ph = 8.2
    sg = 1.025

    75gallons + 40 gallons sump

    thank you

  2. #2
    Moderator Krugar's Avatar
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    Jun 2004
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    It depends what you're keeping. If it's fish & softies, your numbers aren't terrible, but your numbers are quite irratic. What test kits are you using?

    Hardness is usually dKH. 7.4 to 7.7 is quite a range & that would be an alk of ~2.64 (@ 7.4) to 2.75. Both of these are higher than your reported results.

    Regardless, Calcium and carbonate are your two biggest issues. The rule of thumb is that your carbonates need to be 8 - 14.

    Your calcium should be a bit higher as well, as you pointed out. 380 is a good spot to aim for.

    If you're going to raise these numbers, do it slowly over the course of days. The carbonate will effect your pH and cause problems if added too quickly.

    You also might want to look into a kalk reactor, if you have any hard corals.

    Cheers!
    There is nothing so permanent as a temporary measure.

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