An Easy Way to Increase Your Tank's pH with a CO2 Scrubber

Discussion in 'Do It Yourself (DIY)' started by CJO, Mar 9, 2011.

  1. Bori

    Bori Well-Known Member

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    I assume it will defenetly help like it does in buildings, inside of a house depends on the measurement of the square footage of your home and the size of the kit. The HVAC company should know the math behind the percentage of clean air mass they sholud let in against the inside air.


    "7.5 cfm per person plus 3 cfm per 100 square feet" that is in a very tightly build house
    And on a not so tight build
    "7.5 cfm per person plus 1 cfm per 100 square feet"
     
  2. recess62

    recess62 Well-Known Member R2R Supporter CTARS Member

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    I have a Biocube 29 with skimmer. Would this work if I installed it between the air pump and skimmer. I do not see a way to use it in the air intake of the pump
     
  3. helldiver

    helldiver Well-Known Member

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    I Do not feel the same way sir please read what is in kalk+ it has basic elements and no need to does mag or Sr
     
  4. jelly

    jelly Well-Known Member

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    I have looked at it. It's the same thing. If the bottle you buy as extra stuff then it was added. Kalk Wasser measures lime water in German. There are alot of people who use pickeling lime and a product labeled as keli. It's far cheaper. But your entitled to your opinion as am i. So we can't fault each other for it.
     
  5. Jakepen

    Jakepen Few beers and I'll frag anything... R2R Supporter

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    Where do I get the tubing to run from my skimmer?
     
  6. neuwave

    neuwave Well-Known Member

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    Got my tubing from lowes.
     
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  7. Jakepen

    Jakepen Few beers and I'll frag anything... R2R Supporter

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    Alright I'll check there. Do most skimmers take the same size hose? Don't know how to measure that
     
  8. seanthecity

    seanthecity Active Member

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    Very helpful. Going to give it a try.
     
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  9. danielh

    danielh Active Member

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    Does this still do much if you're running kalkwasser in your ATO?
     
  10. morpheas

    morpheas Well-Known Member

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    Just wanted to share my experience here. I made the same thing with a Gatorade bottle exactly as described with one difference. Instead of on the cap putting the tubing in and securing it, I made a whole big enough to thread a 1/4 male NPT to barb converter and then (although it was tight enough) I used hot glue to secure/air-tight it.

    IMG_20160604_175409.jpg
    The picture is not very clear but I hope you can see it.

    This system has been running for the third day now and the results are pretty encouraging. The bottle was filled on the evening of June 5th. Below you will see the pH as measured for that day and a couple of days later.

    3.png
    The pH peak before the scrubber was around 8.12.

    1.png
    The pH min was around 7.89. Here I should note that the lights come on at noon.
    After installing the scrubber:
    4.png
    The max was 8.26
    2.png
    The min was 8.03.
    I should also note that the small spike caused at the max points is because of the alkalinity buffer dosing.

    All in all, it has worked very satisfactory for me. It remains to be seen if the media will hold long enough to make it economically feasible for the long run. Also, I suspect, as the time goes by that range might shift a little higher.

    Thanks OP for your suggestion on this diy reactor!
     
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  11. jason2459

    jason2459 Not a paid scientist R2R Supporter R2R Excellence Award

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    Last edited: Aug 14, 2016
  12. jason2459

    jason2459 Not a paid scientist R2R Supporter R2R Excellence Award

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    FWIW I use fully saturated limewater on a timer that doses for 1 second every 2 minutes which is well under my evap rate during the lowest evaporation rate of the year. I do this to keep a steady stream to keep alk extremely steady and as a side is a prime aid to my pH.

    I have to keep my house closed up year round due to lots of allergies so pH is usually pretty low. Dipping to low 7.8's or lower at night. High 7.8 to low 7.9's during the day. That's with out limewater and my CO2 scrubber. My CO2 scrubber could be any kind of container as shown through out this thread but I use a BRS reactor I never used.

    With the limewater dosing and CO2 scrubber my ph is around 8.1's at night now for a low and 8.3's for the day highs. I also do have an ATS running mainly through the night and some during the light hours that does help a bit.

    I just posted this here in my skimmer review thread how I combine my ozone use and CO2 scrubber with my skimmer.
    http://www.reef2reef.com/threads/mtc-mvx-skimmer-review.252436/page-4#post-3101922

     
  13. Ponraj A

    Ponraj A Well-Known Member

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    Thanks for this nice DIY to increase the pH. I did in my tank and its about a week now and my pH has gone from 7.9 to 8.1. Thanks for this good suggestion.
     
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  14. Raddock

    Raddock Active Member Partner Member

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    I didn't see where to drink the beer? I"m guessing while the silicone dries.
     
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  15. nex64

    nex64 Well-Known Member

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    Yeah this thread is great, can't live without my scrubber
     
  16. Steve Tobias

    Steve Tobias Well-Known Member R2R Supporter

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    This is great stuff! As I am diving deeper and deeper into this passion one of the best elements of the hobby is the tinkering! From the chemistry, to the mechanics, to the technology, to building the environment for happy and healthy inhabitants has been everything I love about all of this. Your post is exactly the type of thing I look forward to seeing and determining how and if it will help me out. Really appreciate the time put into the post.
     
  17. renato120

    renato120 Well-Known Member Partner Member

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    Sodalime didnt work for me! Did not raise my PH. What it did, was.... I use to dose once a day. I changed to every 3 hours less dosing. Not just my parameters was more stable but everytime I dose my PH would go higher. PH Now is around 8.1/8.3
    Before it was 7.7/7.8
     
  18. moink

    moink Member

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    Yea I was wondering that my self also. I guess you are right you drink the beer while the silicone dries
     
  19. Aceone

    Aceone Well-Known Member R2R Supporter

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    Following
     
  20. justingraham

    justingraham Well-Known Member Partner Member

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    Can u explain this I'm trying to figure it out but I'm lost thanks
     

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