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  1. #1
    Moderator wolfracer's Avatar
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    Looking for recomendations on air pumps

    I am needing some advice and or formulas for calculating the volume of air I would need to properly aerate a 300 gallon IBC as of fish tank.
    Any equipment to stay away from etc.

  2. #2
    Moderator badflash's Avatar
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    Re: Looking for recomendations on air pumps

    I have a Wisper AP 300 and am quite pleased with it. Been in operation just about a year with no issues at all. You can replace the diaphram if needed. With an IBC you want a deep water pump because they are so deep. Make sure what ever you get that it is rated for the depth you have.

    The AP 300 is hard to beat for $60.
    http://www.drsfostersmith.com/product/p ... 27982425-2
    The best fertilizer is the farmer's shadow

  3. #3
    Moderator wolfracer's Avatar
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    Re: Looking for recomendations on air pumps

    That one looks pretty good. How about large air stones? Any preferences? That pump looks like it can produce enough to run 8 standard size stones.

  4. #4
    Moderator badflash's Avatar
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    Re: Looking for recomendations on air pumps

    Try CF-11935

    http://www.drsfostersmith.com/product/p ... atid=19180

    You can push at least 5 with that.
    The best fertilizer is the farmer's shadow

  5. #5
    Moderator badflash's Avatar
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    Re: Looking for recomendations on air pumps

    I don't use formulas. I watch my fish. If they spend too much time at the top the DO (disolved oxygen) is too low. One good large airstone per 300 gallons is good. You want to get a good uplift to keep particulates in suspension so they can be removed.
    The best fertilizer is the farmer's shadow

  6. #6
    Moderator jackalope's Avatar
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    Re: Looking for recomendations on air pumps

    I like air curtains ...... the past few air stones I've bought have broken when removing the airline to move it to a different tank ..... I have no problems with the air curtains ........ and they come in several sizes
    I use the Linux Operating System ...... Free as in beer!
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    Aquaponics - food'n'fish at your doorstep

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  7. #7
    Moderator badflash's Avatar
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    Re: Looking for recomendations on air pumps

    I'm not sure what you are referring to, but I've tried those plastic tubes that make lots of bubbles. They clog quickly. Large air stones last much better than the little peanut ones. My 6" stones are over a year old and going strong.
    The best fertilizer is the farmer's shadow

  8. #8
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    Re: Looking for recomendations on air pumps

    What type of pump is this the are using?
    http://www.earthfort.com/store/shopexd.asp?id=24
    ""we are what we eat""

  9. #9
    Moderator wolfracer's Avatar
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    Re: Looking for recomendations on air pumps

    That looks like the kind you for air brushes and stuff. Higher pressure, more cfm

  10. #10
    Moderator badflash's Avatar
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    Re: Looking for recomendations on air pumps

    That is a regenerative blower. They normally can't push past about 24" but the can suck as well as blow. They are fantasic at putting out volume and are very reliable.
    The best fertilizer is the farmer's shadow

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