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Sure way to dissolve co2 in a 220G

Discussion in 'CO2 Enrichment' started by andyl9063, Dec 30, 2013.

  1. andyl9063

    andyl9063 Prolific Poster

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    Right now, I have a co2 coming out of a ceramic diffuser and its push by a hagen mini filter into the pump that returns the water into main tank from sump.

    It's taking me about 9 hours to go from a ph of 6.19 to 5.62. Nothing but co2 mist in the water. The drop checker finally shows dark green when it reaches 5.62 of ph. I read to aim for a 1 point drop.
    I also read it shouldn't take this long, but then again, its a fairly larger tank.

    What is the best method and most sure way to get this co2 dissolve?
    I been reading and I see NW needle pumps into a cerges reactor? Is there a sure way for this large of a tank?
     
    #1 andyl9063, Dec 30, 2013
  2. Gerryd

    Gerryd Plant Guru Team
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    Hi,

    I don't think you can provide sufficient and stable levels of c02 with a single diffuser. I have a 220 and use the NW/cerges and it seems to do well.

    I have vids and plenty of detail posted on this.

    Thanks

    - - - Updated - - -

    Hi,

    I don't think you can provide sufficient and stable levels of c02 with a single diffuser. I have a 220 and use the NW/cerges and it seems to do well.

    I have vids and plenty of detail posted on this.

    Thanks
     
    #2 Gerryd, Dec 30, 2013
  3. andyl9063

    andyl9063 Prolific Poster

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    do you know if the pumps matter? I don't really care about the flow since its going into sump, it can be a lower powered pump right?
     
    #3 andyl9063, Dec 30, 2013
  4. Gerryd

    Gerryd Plant Guru Team
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    Can you please clarify your questions? I am not sure what u r asking.

    If you use too small a NW pump, it will be the same as using a single diffuser.
     
    #4 Gerryd, Dec 30, 2013
  5. Tom Barr

    Tom Barr Founder
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    Use a pH meter, NEVEr a drop checker, they are VERY slow to respond.
    They also are hard to adjust to different pH ranges, pH meter? if a few seconds, maybe a minute.
    Far far more accurate and easier to adjust CO2 based on a relation pH.

    Your pump is way under powered.
    You need about 300-400 gph I'd say if you are using a sump.
    A post Water filter housing to nab the excess mist will help also.
     
    #5 Tom Barr, Dec 30, 2013
  6. Tom Barr

    Tom Barr Founder
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    Use a pH meter, NEVEr a drop checker, they are VERY slow to respond.
    They also are hard to adjust to different pH ranges, pH meter? if a few seconds, maybe a minute.
    Far far more accurate and easier to adjust CO2 based on a relation pH.

    Your pump is way under powered.
    You need about 300-400 gph I'd say if you are using a sump.
    A post Water filter housing to nab the excess mist will help also.
     
    #6 Tom Barr, Dec 30, 2013
  7. andyl9063

    andyl9063 Prolific Poster

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    what i meant was a eheim filterrated at 186gph, if its too strong, wouldn't it push the co2 out too fast before it gets dissolved?
    also I was using a ph probe to measure. I was just using drop checker as well to verify.
    The pump will only push water and co2 from filter to sump, right next to each other, its not being pump back into main tank so should be fine right? if not, I'll buy a stronger one.

    So my intention is eheim filter into cerge reactor, run into sump pump, back into spraybar about 6 feet.
     
    #7 andyl9063, Dec 30, 2013
  8. Tom Barr

    Tom Barr Founder
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    Using a canister as a reactor is fine.
    But the flow is pretty low.
    A 2217 might do it.
     
    #8 Tom Barr, Dec 30, 2013
  9. Tom Barr

    Tom Barr Founder
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    Using a canister as a reactor is fine.
    But the flow is pretty low.
    A 2217 might do it.
     
    #9 Tom Barr, Dec 30, 2013
  10. andyl9063

    andyl9063 Prolific Poster

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    thanks guys.

    ill try the canister if not, ill go the nw route with the rio.
     
    #10 andyl9063, Dec 31, 2013
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