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  1. #1
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    Salinity adjustment

    I stumbled across this web site calculator which will give you a schedule of water changes to adjust salinity from one level to another. We had a thread a month ago about this issue. This calculator would have been useful at that time :-)

    http://saltyzoo.com/SaltyCalcs/SalinityAdjust.php
    Nick

  2. #2
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    HEY ... great link nickb. That will come in handy for sure :-)
    Rob

  3. #3
    Senior Member tang_man_montreal's Avatar
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    I was looking at that site.

    It's nice, however, I doubt it takes the amount of rock in your aquarium into consideration.

    a 90gallon tank with 100 pounds of liverock will not have the same amount of water as the same tank with only 10 pounds of liverock.

    That should be taken into consideration when looking at that calculator.

    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  4. #4
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    Good point Tang Man some people would for sure over look that part of the equation.
    Rob

  5. #5
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    That is true tang_man but that part is really hard to calculate....Even if we know how much lbs of rocks we have in our system we can really calculate how much gallon of water it takes up because some rocks are more porouse than other and some are heavier than others...I m sure no one would know how much gallons of water they have exactly with an error of say 2 gallons.....

  6. #6
    Member Soup's Avatar
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    Arggg...Isnt this why we have sality testing equipment and a basic knowledge of how to go about adjusting it ourselves?
    Cheers

  7. #7
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    This has always been a issue with tanks that have decor in them.... WHAT'S THE "NET" WATER VOLUME IN MY TANK?? You can avoid this issue when filling your tank for the first time by ... filling it about 2/3 full and doing the math to determine the water volume. Then add your rock and equipment and measure the dry space up to your water line and again do the math to determine the finishing volume. Add the 2 numbers together and there you go .. that your "NET" tank water volume. Do the same with your other water holding containers to determine TOTAL "NET" water volume.
    Rob

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