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  1. #1
    Senior Member aragorn69's Avatar
    Join Date
    Aug 2004

    Checking Salinity?

    Just a quick and easy question, what does everybody use to check salinity, and why? I use a simple Full range specific gravity tester, why, because it works and it's simple. But, I'm also thinking of getting a refractometer.

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  2. #2
    Senior Member tang_man_montreal's Avatar
    Join Date
    Jun 2003
    You will be better off with the refractometer. Especially at the price AC sells them here.

    You'll be surprised at how far off your hydrometer may be.

    Oh, and I use a Pinpoint Salinity meter, and also a refractometer.
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  3. #3
    Senior Member
    Join Date
    Nov 2003
    The refractometer is a very accurate measuring devise and a welcome addition to any marine aquarium keepers tool box. You can use the other one for quick checks because it will display BIG changes at a glance. use the refractometer when you do your once a week maintenance checks and for mixing up new salt water.

  4. #4
    Senior Member Flame*Angel's Avatar
    Join Date
    Oct 2003
    Refractometer, I love the ease of use and knowing it's accurate. Very easy to calibrate too.

  5. #5
    Senior Member ALRHA's Avatar
    Join Date
    Sep 2003
    I use a pinpoint monitor - its as easy as it gets, all you have to do is look at the screen and you can see your salinity live.
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  6. #6
    Senior Member Flame*Angel's Avatar
    Join Date
    Oct 2003
    I really like the idea of a monitor. Are they as accurate as a refractometer? How often do you need to calibrate them? Do you calibrate with just fresh water?

  7. #7
    Senior Member volitan's Avatar
    Join Date
    Dec 2003
    I just got one and i compared it with my refract. and it was right on.YOu use calibration solution to calibrate it it takes 5 min.

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