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JBJ Bubble Counter Liquid

Discussion in 'CO2 Enrichment' started by rcalzadilla, Nov 14, 2007.

  1. rcalzadilla

    rcalzadilla Prolific Poster

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    Does anyone know what liquid should go into this bubble counter? See attached picture.
    I use water but it evaporates weekly.
    My bubble rate changes (ususally to faster), from one day to next and might it be because I am using water?
    Temperature has been going down, 5 deegress or so, here in South Florida.
     
  2. Tom Barr

    Tom Barr Founder
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    Vegetable glycerin

    Regards,
    Tom Barr
     
  3. VaughnH

    VaughnH Lifetime Charter Member
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    When I found I was losing water from my bubble counter, a Milwaukee one that looks like the photo, I finally discovered that the water was leaking out at one of the O-ring seals on the clear tube. I discovered it by noticing that the area under the bubble counter was always damp. I tried everything I could think of to stop the leak, but finally gave up and removed the bubble counter in favor of one I made myself. That one held water for months at a time. Since then I have been suspicious that those who have to replace the water once a week have that same kind of leak.
     
  4. FacePlanted

    FacePlanted Guru Class Expert

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    Very interesting. I also have the same bubble counter, and the water does evaporate (or leak?) out, but over the course of weeks. I have to refill it maybe once a month to 6 weeks. I'll check for a leak though. It makes me wonder.....

    -Mike B-
     
  5. rcalzadilla

    rcalzadilla Prolific Poster

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    I am confident mine is not leaking since everything outside is bone dry.
    One can see tiny evaporation bubbles inside the clear hose and would like to avoid any growth in that water, in the long term.

    Anybody out there who has used the vegetable glycerin ?
     
  6. Tom Barr

    Tom Barr Founder
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    Me

    I use a 16 oz condiment bottle and squirt it in the bubble counters.

    Regards,
    Tom Barr
     
  7. FacePlanted

    FacePlanted Guru Class Expert

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    I really like those condiment bottles. I use them to dose my fert solutions.
    They are cheap and handy and readily available.

    -Mike B-
     
  8. rcalzadilla

    rcalzadilla Prolific Poster

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    Could you show a picture of the 16 oz condiment bottle?
     
  9. rusticitas

    rusticitas Lifetime Charter Member
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    Something like this, I would guess...

    `[​IMG]
     
  10. FacePlanted

    FacePlanted Guru Class Expert

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    Yes, exactly. I have a bunch of the clear ones. They also have a little cap that covers the squirting tip. It holds a little more then 300ml. and are less than $1 a piece at walmart.

    -Mike B-
     
  11. Gerryd

    Gerryd Plant Guru Team
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    I have the same scenario as MikeB, in that I see no moisture (and have placed tissue around it to verify) and thus no leak, but I have to fill every 7-10 days anyway based on the amount of c02 output.

    However, I have a second counter of the same type (MW) with the same issue as Vauhgnh WITH a leak, and simply used some white teflon tape on the threads. Leak solved!

    I will try the vegetable glycerin as Tom has never steered me wrong, and I am tired of having to fill that stupid thing!

    One thing I noticed was that the PH was .1-.2 lower and better pearling when the counter ran dry??????????

    I also like the idea of the condiment bottles for the fert solutions........

    Thanks,
     
  12. sayhy2mark33

    sayhy2mark33 Junior Poster

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    Where can we find this vegetable glycerin?
     
  13. Crazy Loaches

    Crazy Loaches Guru Class Expert

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    I have a JBJ all in one on my 75G tank and due to the heat [I assume] of the solenoid right on it the water does evaporate fairly quick. Might also be in part due to the food grade co2 that is much drier than welding grade I beleive.

    Anyways... Under suggestion elsewhere I tried mineral oil - especially since I had several bottles of it for some high voltage projects I was doing. It works great, 0 evaporation since, and it also has the effect of slowing the bubbles down a little since its so thick - makes it easier to count.
     
  14. Gerryd

    Gerryd Plant Guru Team
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  15. sayhy2mark33

    sayhy2mark33 Junior Poster

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    I found some too, I was just hoping to not have to order it. Thanks anyhow.
     
  16. swylie

    swylie Prolific Poster

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    You can find it at some drug stores and it's sometimes used in cooking.
     
  17. Crazy Loaches

    Crazy Loaches Guru Class Expert

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    ....mineral oil also very easy to come by locally ;)
     
  18. naman

    naman Prolific Poster

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    Glycerin is much, much better than water - it leaks less and bubbles come out of a tube m u c h s l o w e r (=better counting).
    It is a "standard" liquid for “professional” and mostly quite costly Sera Bubble Counter etc.

    I am using glycerin in bubble counters for 4 years, simplest and cheapest of them is 5ml plastic syringe with inserted in it back valve for air compressor.
    No glue needed.

    Glycerin can be found in any Drugstore (dirt cheap).

    As for Dropcheker – I use Non-spill inkpot (inkwell) turned upside down :)
     
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