Testing 3 Different Salinity Checkers For My Reef Tank

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  • Опубликовано: 18 ноя 2024
  • For this test, we're checking out the Hanna Salinity Checker, Amazon Refractometer, and Tropic Marin Hydrometer. Which one do you trust?
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Комментарии • 34

  • @leeandmandybattersby5958
    @leeandmandybattersby5958 11 дней назад +1

    I have always used the hydrometer i have 3 so i know the reading is right i love them

    • @Reefer_NYC
      @Reefer_NYC  11 дней назад

      @@leeandmandybattersby5958 old school is the best way

  • @sherreef
    @sherreef 11 дней назад +1

    Hanna checker all day!, it is more expensive but also easy, fast and accurate!

    • @Reefer_NYC
      @Reefer_NYC  11 дней назад

      literally quick dip and you get the reading so easy

  • @Social_Reefer
    @Social_Reefer 12 дней назад +3

    I’ve been using the most unreliable instrument this whole time lol. Not to mention my system has had random symptoms which I could never figure out thinking I had everything on par. Time for an upgrade this may help! Thanks bro.

  • @jules2545
    @jules2545 11 дней назад

    I have had problems with my Hanna checker it is was always giving me a low reading outside of the instrument tolerances. I use the TM hydrometer now, the only thing you have to remember is that it is calibrated for a water temperature of 25 °C, you have to carry out a quick calculation to get the corrected SG. It should not make much difference but its worth while being correct I think.
    So the corrected SG = observed SG x (1 + 0.00023 per °C ×( Actual temp of seawater −25)).
    I work with instruments that measure various parameters in sea water, you have to remember there is an error associated with each instrument, so each salinity checker you use could be within its specific error allowance. Hanna do specify that a sg range between 1.000 to 1.041 then you would see and error of ±0.001.

  • @swordsman111982
    @swordsman111982 13 дней назад +2

    Should have checked the cheap floaty arm against them too. I ironically find it almost the same as my Hydrometer with new saltwater

    • @Reefer_NYC
      @Reefer_NYC  13 дней назад +3

      Those are actually amazing still and is basically like the tropic marin hydrometer. I threw them all out once I had “better” checkers

  • @fabianjohn3858
    @fabianjohn3858 11 дней назад

    the scale of the refractometre is for 20 degrese if you have 25 it is off

  • @Lee-he2qp
    @Lee-he2qp 12 дней назад +2

    Is your tank’s temp 25c if not the hydrometer will not give an accurate reading, as it was calibrated to 25c, you would then need to use a hydrometer temp correction chart to get a correct reading, also buy a 500ml measuring cylinder, much easier to use the hydrometer with one of those…sorry if you already know all this.

    • @Zbryant91
      @Zbryant91 12 дней назад

      I agree with this and have noticed that it's been more difficult to get a accurate reading this summer as my tank has been hovering between 80-82F. while the hanna has the temp probe in it, I think the temp of the calibration solution throws it off a bit when they are 8-10 degrees different. and my refractometer never reads the same. I keep using hanna to get what I think it right and if the tank looks happy, i just let it ride and make sure it's stable rather than chasing the .005 difference.

    • @Reefer_NYC
      @Reefer_NYC  11 дней назад +1

      @@Zbryant91 as with all of our tools, its really to get an approximate range and stay consistent at that number

  • @tedblack2163
    @tedblack2163 13 дней назад +1

    Did you calibrate the refractometer, with calibration fluid? On mine, using ro/di water will lead to a incorrect reading.

    • @Reefer_NYC
      @Reefer_NYC  13 дней назад +2

      @@tedblack2163 I used 35ppt calibration fluid and I also did rodi water and after both calibrations still wrong reading

    • @ProducerReef
      @ProducerReef 12 дней назад

      Do you calibrate to 0 first using rodi and then use the calibration solution?

    • @Reefer_NYC
      @Reefer_NYC  12 дней назад

      @ those are just 2 different ways you can calibrate. Ideal is to use the solution

  • @adriantc4588
    @adriantc4588 11 дней назад

    Refractors need to be calibrated and the mistake people make is not to float the calibration solution in your tank so its identical to your tanks temp. Its very sensitive to temp change.

    • @Reefer_NYC
      @Reefer_NYC  11 дней назад

      @@adriantc4588 it was calibrated to temp. Still measured wrong lol. The fact that it needs all these adjustments and corrections to give a proper reading is a red flag for new reefers to avoid

    • @beyondreality6822
      @beyondreality6822 11 дней назад

      It's the temperature of the refractormeter that matters. When you add a ml of water at 25c to a refractometer that is 20c, the water is going to cool and equalise to the temperature of the heavy metal device, not the other way around.

    • @adriantc4588
      @adriantc4588 11 дней назад

      @ Ya they are too unreliable. I use the tropic Marin floating glass one you have too. I have it in the sump at all times haha

  • @cbarber5366
    @cbarber5366 12 дней назад

    Weird question. My tank is only 9.5 inches deep. How deep does your tank need to be to use the Tropic Marin?

    • @Reefer_NYC
      @Reefer_NYC  12 дней назад

      @@cbarber5366 you should actually be measuring in a separate cylinder and not in your tank to avoid interference. So basically pour 500ML into a cylinder and put the hydrometer in there

    • @cbarber5366
      @cbarber5366 12 дней назад

      @Reefer_NYC will a 500 ml beaker be deep enough?

    • @ellisbarton2261
      @ellisbarton2261 12 дней назад

      @@cbarber5366you can get the hydrometer with tropic marins measuring cylinder as a pack

    • @Reefer_NYC
      @Reefer_NYC  12 дней назад

      @ you need a 1000ml cylinder and fill it to 500ml

    • @cbarber5366
      @cbarber5366 12 дней назад

      @@Reefer_NYC ok thanks, that would probably make the water level even less deep though.

  • @D__fox_89
    @D__fox_89 12 дней назад

    Cheap refractometers are definitely sketchy, I have also found that atc equipped or not the temperature of the apparatus itself and the viewing window matter. I float the actual apparatus with my calibration fluid before testing, might give it a shot and see if it changes the reading. I’ve been cross referencing my refractometer with my Hanna pen for a long while and definitely get some odd readings from time to time regardless.

    • @Reefer_NYC
      @Reefer_NYC  12 дней назад +1

      @@D__fox_89 see even with that method, too many factors for possible human error

    • @D__fox_89
      @D__fox_89 12 дней назад

      @@Reefer_NYCno doubt! 😵‍💫🍺

  • @adroc31
    @adroc31 12 дней назад

    The readings on the TM hydrometer coincide to the tank temp. If i remember it should come with a chart. If the water is anything but 76 degrees or something then your suppose to look up the value of salinity based on the water temp your measuring. Then again how do we know our tanks are really what the temp prob says? who calibrated that? down the dark hole we go! I use the Milwaukee digital refractometer mostly and find that it will spaz out every once in a wile then I bust out the TM to verify. Ive heard the opposite about the Hanna checkers, people were sayng they were trash. There were a bunch of videos about it a while back so i didnt bother getting one.

    • @Reefer_NYC
      @Reefer_NYC  12 дней назад

      @@adroc31 totally as with all tools, it should give you a an estimate/range of what your parameters are and to maintain that range.

  • @ap6826
    @ap6826 12 дней назад

    Thanks for trying all these instruments out. I had bought a used milwaukee refractometer and had learned it was wildly inaccurate for years. Hanna checker all the way!