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Low salinity

Discussion in 'General Discussion' started by beckerj3, Oct 23, 2008.

  1. beckerj3 Expert Reefkeeper Board of Directors Leadership Team GIRS Member

    West Des Moines, IA
    +611 / 2 / -0
    So, based on the salinity test we did on my aquarium water (at our club meeting in Des Moines on Tuesday evening), my salinity is quite low - 1.021 to 1.022.  I attempted to calibrate my hydrometer today (using the article we discussed) - and that also indicated that the hydrometer has been reading high.  So, I want to raise the salinity from 1.021 (or 1.022) up to close to 1.026.  I'll be doing a water change this weekend, but that won't take care of it.  My thought is to gradually raise the salinity over the next week or two weeks by doing a top-off with salt water (at the desired salinity level), instead of topping off with freshwater.  Is that a reasonable approach?  Or am I missing something?
  2. kgehrke

    kgehrke Inactive User

    +0 / 0 / -0
    You don't necessarily have to have your top off water at exactly 1.026 having any salt in it at all will raise your salinity.
  3. Lee

    Lee Experienced Reefkeeper

    +0 / 0 / -0
    1.021 isn't all that low. I would take your time raising it over a few waterchanges and toping off with saltwater.
  4. jtesdall

    jtesdall Expert Reefkeeper

    +1 / 0 / -0
    I take a container like a fish food or old kalkwasser container and drill holes in it. I fill it with salt and place it in my sump and let it leach slowly into the system. My container holds about two cups and it takes about a day to leach in. This has worked very well for me, make sure your holes are small and numerous.

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