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. Rick Mathew

    Rick Mathew Active Member R2R Supporter Partner Member 2018

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    Here are two sources I use..-.

    http://www.bulkreefsupply.com/brs-color-changing-medical-grade-co2-absorbent.html

    http://www.shopmedvet.com/product/soda-lime-3-lb-bag/jorgensen-products-anesthesia-products

    Both seem to do the job
     
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  2. jason2459

    jason2459 Not a paid scientist R2R Supporter R2R Excellence Award

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  3. porterreef

    porterreef Active Member

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    Thanks for the link! I have an extra canister setup from a garbage rodi filter I picked up, So that will be the home for the Soda Lime. just ordered some!

     
  4. jason2459

    jason2459 Not a paid scientist R2R Supporter R2R Excellence Award

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    And if BRS offered a 5g near that price I'd much rather support BRS.

    ::cough:: @randyBRS
     
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  5. Aceone

    Aceone Member R2R Supporter

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    Same stuff i use
     
  6. randyBRS

    randyBRS BRStv Host :-) R2R Supporter Gold Sponsor

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    This is why you guys are the best! :cool:

    I've added it to the board for testing and possible on-boarding!


    Thanks!

    -Randy
     
  7. MaccaPopEye

    MaccaPopEye Active Member

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    Well if that's all it takes :p

    If BRS had affordable shipping to Australia I would much rather support BRS
     
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  8. porterreef

    porterreef Active Member

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    I ordered the jug from BRS this morning! I can't wait to see what happens!
     
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  9. Frozn

    Frozn Active Member Build Thread Contributor

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  10. jason2459

    jason2459 Not a paid scientist R2R Supporter R2R Excellence Award

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  11. Maltese

    Maltese Member

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    Thanks for your experience share it to others, i will try it .
     
  12. jswo

    jswo Member

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    Does anyone have any experience with the solenoid brs used in there video to control when the skimmer is using regular air or pulling air through the scrubber?
     
  13. randyBRS

    randyBRS BRStv Host :-) R2R Supporter Gold Sponsor

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    Hey there! The easiest way for me to figure out what is open and what is closed, is to have it all hooked up into your skimmer, reactor and Apex; toggle the outlet and feel with your finger for when it is closed off to the CO2 scrubber. After you have figured out what is OFF/ON, then you can adjust your Apex programming accordingly. :)

    -Randy
     
  14. jswo

    jswo Member

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    Do you know what the part number is of the solenoid and how it is wired
     
  15. lactose

    lactose Active Member R2R Supporter Partner Member 2018

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    I have a CO2 scrubber on my skimmer and it goes from pH of 7.8-7.9 to 8.15-8.2+ (tight seal house, 5 family members with allergies and tank is in basement so CO2 is almost always an issue). I actually use the solenoid like in the video to keep it from going much over 8.2 by opening up the valve to open air (also helps save on the media)

    The thing I am finding is the water I put in (15ml in bottom of BRS canister) dissapears in less than a day and when that happens it becomes a lot less effective.

    Therefore I am adding in water twice a day now. Any ideas on how to not have to do that? The media lasts a couple of weeks as long as I keep adding back in the water but it is a pain to do twice a day.

    Do I need to get an ATO for my CO2 scrubber?!? lol

    Thanks
     
  16. lactose

    lactose Active Member R2R Supporter Partner Member 2018

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    Just found this thread https://www.reef2reef.com/threads/co2-scrubber-review.296392/ with lots of discussion of the water in the scrubber, I am going to try putting inline with the draw from my skimmer cup as my skimmer had that line there already (which I now ignore with the scrubber). Hope this helps keep humidity up.
     
  17. MaddReefer

    MaddReefer Member Tampa Bay Reef Keepers

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    Doesnt putting your skimmer line outside accomplish the same thing ? Is there a way to do this without utilizing a skimmer ?
     
  18. porterreef

    porterreef Active Member

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    You could do a number of things without a skimmer. A couple of ideas right off the top of my head is if you can't get an air line outside you can use a CO2 scrubber and a small aerator in the up. Or if you can get a line outside just use the aerator to suck the air in and bubble into the sump. Also turning a fan on in the room to move are around really helps. It won't be a huge increase but it will help move the air in and out and also around the room. My system has a door that goes outside so in the mornings and afternoons when the weather is nice I open the door and put a box fan on low to pull in "new" air.
     
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  19. bcarl77

    bcarl77 Active Member

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    I noticed the BRS option requires you add water to the bottom. If I go the DIY route and get a different Soda Lime will I need to add water?
     
  20. Larry L

    Larry L Well-Known Member Partner Member 2018

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    It's the same either way. The soda lime is more effective when the air is humid, but do not get the soda lime itself wet. Instead of putting a small amount of water in the bottom of the reactor, you can extend the life of the soda lime by putting a small DIY humidifier in-line in front of the scrubber, like in the picture in the first post here: https://www.reef2reef.com/threads/co2-scrubbing-an-unexpected-journey-chasing-numbers.305924/ You might also get the same effect by drawing in humid air from e.g. your sump area.
     
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