Dosing oxygen???

Discussion in 'Reef Chemistry by Randy Holmes-Farley' started by mikeandkerry, Apr 21, 2017.

  1. mikeandkerry

    mikeandkerry Well-Known Member

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    Is it possible to dose oxygen with a tank,regulator,and bubble counter
    Like you would with co2 to raise the ph?
     
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  2. saltyfilmfolks

    saltyfilmfolks Lights! Camera! Reef! R2R Supporter R2R Excellence Award Photo of the Month Award Reef Squad

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    yes it is possible.
    why would you.
    I use coral and macroalgae to make oxygen in my tanks.
     
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  3. mikeandkerry

    mikeandkerry Well-Known Member

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    To get my ph up
     
  4. cmcoker

    cmcoker Well-Known Member R2R Supporter R2R Excellence Award Build Thread Contributor

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    I think it's possible to over oxygenate, think fish could be damaged/killed from it.
    Just like we can, if we breath pure 02 for too long.
    How would you determine a safe amount and measure it?
     
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  5. sundog101

    sundog101 Well-Known Member Build Thread Contributor

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    I've thought about this for fish in QT. If you could get like a planted tank C02 set up but use 02.

    Like McCourt said, I'd be worried about over oxygenating though, as I'm not sure what a safe dose would be.
     
  6. saltyfilmfolks

    saltyfilmfolks Lights! Camera! Reef! R2R Supporter R2R Excellence Award Photo of the Month Award Reef Squad

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    .I think there's a lot more cost effective ways to to it.
    A lot of folks worry about low ph in empty tanks and dont really quite understand the science of it all.
     
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  7. mikeandkerry

    mikeandkerry Well-Known Member

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    That's why I'm asking, so I can understand.
     
    Last edited by a moderator: Apr 22, 2017
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  8. mikeandkerry

    mikeandkerry Well-Known Member

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    Well I can't get a line from outside
    To the skimmer
    It's in the basement in cabinet
     
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  9. saltyfilmfolks

    saltyfilmfolks Lights! Camera! Reef! R2R Supporter R2R Excellence Award Photo of the Month Award Reef Squad

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    please no name calling. I can't read intent or emotion in what you write. I would suggest you may not be able to either. May folks just noodle ideas here regardless of experience.
    I'm always glad to help teach what I know.

    Hang on Ill find a couple things for you. How are you testing PH?
     
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  10. mikeandkerry

    mikeandkerry Well-Known Member

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    It's on an apex
    And tested it with redsea and api
    And all say the same
     
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  11. cmcoker

    cmcoker Well-Known Member R2R Supporter R2R Excellence Award Build Thread Contributor

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    What is your pH?
    Do you dose anything? What and when?
     
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  12. Best Fish-Jake

    Best Fish-Jake Well-Known Member Build Thread Contributor

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    'Dosing oxygen' isn't something I've ever seen necessary in a reef tank. If you're worried that your O2 levels are contributing to a low ph, you could easily get a small air pump and run that in either your display or sump.

    As long as your ph is above ~7.8 and your other stats are within a safe range you'll be ok.

    My 30g always runs a low ph/Alk along with with undetectable nutrients.
     
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  13. chomoney

    chomoney Well-Known Member

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    In some instances I think the air pump is a misconception.

    If the source air in your room is C02-laden and causing low pH, the air pump is just pulling more air that is high in C02 into your tank. Air pumps themselves do not scrub any C02 out of the source air.
     
  14. saltyfilmfolks

    saltyfilmfolks Lights! Camera! Reef! R2R Supporter R2R Excellence Award Photo of the Month Award Reef Squad

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    The tank though is much more likey to produce more co2 than the outside air contains Esp depending on bioload. That load includes bacteria. Another reason to avoid detritus and dirty sand beds. It lowers ph by producing co2.
    So it may not be much but it's some. Or a lot depending on the levels inthe home.
     
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  15. chomoney

    chomoney Well-Known Member

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    Valid points.

    In my case, I'd venture to guess that the gaping hole in my hot water tank exhaust (same room as my sump) was a contributing favor. Ugh.
     
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  16. saltyfilmfolks

    saltyfilmfolks Lights! Camera! Reef! R2R Supporter R2R Excellence Award Photo of the Month Award Reef Squad

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    Lol.
    My furnace from the 1950s the landlord doesn't want to replace isn't a problem is it?
     
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  17. tgp4274

    tgp4274 Well-Known Member R2R Supporter

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    I ran O2 to my skimmer for awhile
    made a bubble counter and did like 1 bubble every like 5 sec..
    saw no difference in my ph..
    and o2 tanks start to get pricey after awhile....
     
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  18. MagisterDamask

    MagisterDamask Well-Known Member R2R Supporter

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  19. mikeandkerry

    mikeandkerry Well-Known Member

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    Thanks for the info
    Sounds like a co2 scrubber is the option
    Any thoughts on what one to get ?
     
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  20. Rick.45cal

    Rick.45cal Well-Known Member R2R Supporter R2R Excellence Award Build Thread Contributor

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    It would be interesting to run an oxygen concentrator off of an APEX into a skimmer for when pH drops. (Certainly not the cheapest or best way).

    The problem with dealing with O2 is the volatility of it, you wouldn't want the sump cabinet becoming saturated then have a spark kick off an explosion that brings a new definition to "catastrophic failure" in the reefkeeping hobby. ;Wideyed

    "My tank blew up my livingroom" :eek::D

    A CO2 scrubber is a good tool if you can't run an outside airline, but you will be paying for media. Your best bet might be to try a refugium with a reverse daylight schedule and chaeto or macro algaes. It will boost your pH when it is lowest, and also remove NO3 and PO4's depending on how you manage it.
     
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