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  1. #1

    Join Date
    May 2014

    Awards Showcase

    Latest gifts & ribbons:

    Way to go on starting the cycle! - Compass   Congrats on the new fish! - Slaphppy7   Congrats on the cycle and new fish! - Compass   Here is one you can see. - mommy1   You need another fish! - Compass   

    Default Can rain water barrels be use for cycling?

    0 Not allowed!
    Just curious as I move forward in the research for building my tank community if anyone has ever used rain barrels, seen them used or have any knowledge of it as part of their cycling method.
    We currently keep a couple of 50gal barrels of rain water for gardening or emergency use.
    Would the water be an improvement or have an advantage in helping the new tank cycle, less time, more nutrients, less prep time..etc?


    just to clarify in case anyone was confused, I'm not wanting to use the barrels themselves……just the water in it..
    Last edited by Fishhook; 05-15-2014 at 08:55 PM.

  2. #2

    Join Date
    Jan 2010
    Saskatchewan, Canada

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    Latest gifts & ribbons:

    Happy Holidays! - Boundava   Season's Greetings! - Rue   Merry Christmas! - Slaphppy7   Merry Christmas! - Anders247   Happy Holidays! - Boundava   


    1 Not allowed!
    If you are asking about using rain water for cycling, I would not suggest it

    There could be pollutants in the water (such as small particles from asphalt singles) that might cause problems with your aquarium
    If you take your time to do the research FIRST, you can successfully set-up and keep ANY type of aquarium with ease.
    "Not using a quarantine tank is like playing Russian roulette. Nobody wins the game, some people just get to play longer than others." - Anthony Calfo
    Fishless Cycle Cycling with Fish Marine Aquarium Info [URL=""]

  3. #3

    Join Date
    Dec 2012

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    Latest gifts & ribbons:

    Merry Christmas! - ~firefly~   Merry Christmas - mommy1   Merry Christmas! - Slaphppy7   For Your 33 Gallon. Happy Holidays! - Taurus   Happy New Year! - jeffs99dime   


    1 Not allowed!
    Rain water is sometimes used by those of use keeping softwater species. If it comes from a roof using ceramic or slate tiles and you don't live near an airport or big road it's usually fine.

    However rainwater is just like distilled water, a pH of 7 and no buffer. Using this as the onmly water in a tank would make it extremely sensitive to pH swings and would require careful acclimatisation of any fish to prevent acute osmotic shock. It would be much more practical to cut it with conditioned tap water. Wheter or not this is a good idea depends on your tap water and the fish you'd like to keep.

    During the cycling stage having little or no mineral content in the water will likely delay the process. We know the bacteria we're after work best in a pH range of about 6.2 to 8.5 and therefore we can assume they need some minerals as well.

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