Keeping carbon in a tank?

Discussion in 'Chemical Filtration / Low Nutrient Systems - LNS' started by Furbz, 19 Jul 2008.

  1. Furbz

    Furbz

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    hi guys,
    i have now got mixed feelings about running my system with carbon in it after discussing with a couple of guys at a LFS.
    none of them run carbon in their systems.
    the only time they ever run it is when there paramaters slip a little out. otherwise absolutely none is in the system. their claim is that the LR and DSB will do the same job.

    on the contra tho, i have heard of guy who always run carbon in their systems and replace it every 3 months. this is what i was told, and what i do.

    what are your thoughts on this???
     
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  3. Rory

    Rory Admin MASA Contributor

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    Replacing carbon every 3 months is about the same as not running carbon. It's usually exhausted in 2-3 weeks.
     
  4. Alan

    Alan Admin MASA Contributor

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    I run carbon 24/7 and replace every 2 weeks. Carbon is considered a chemical filter, live rock and sand are biological filters, they dont do the same thing at all. The carbon will remove toxins from the water that are released by the corals and generally lower the DOC [dissolved organic compounds] of the system. My advice would be to run carbon and replace frequently.
     
  5. Midasblenny

    Midasblenny

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    Same here
     
  6. Ocean

    Ocean Lazy Sea Slug

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    I see much better results when going with AC would not risk going with out it. It also gives the water that polished look!
     
  7. lanzo

    lanzo Sponsor

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    i also run ac for 2 weeks, but my last bach is in for two months....:whistling:
    waiting for the carbon to come.

    ac makes water crystal clear when system is fine
     
  8. viper357

    viper357 Admin MASA Contributor

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    Is ozone an efficient alternative to carbon.
     
  9. Alan

    Alan Admin MASA Contributor

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    Very much so, probably more efficient than carbon.
     
  10. IMarine

    IMarine

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    Hi Furbz never used it before but after stray volts in my tank, was forced to use it and it works very well like you say that polished look hey.
     
  11. Mekaeel

    Mekaeel Moderator MASA Contributor

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    Hey Furbz.I find Carbon to be an essential in a tank,espescially SPS. Remember not only does it kill toxins, it makes the water more clear,this helps in better light penatration :)
     
  12. Furbz

    Furbz Thread Starter

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    great! carbon it is! think i need to change mine tho.. had it in for 2 months now!! oops.
    got a bad cyano break out. do you think it is due to my carbon leaching pho's??
     
  13. Mike

    Mike Retired Moderator

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    Do you run a phos remover? if yes, then change it, if not get some. Also check your top up water/replecement water to ensure you are not adding phos to your tank.
     
  14. burt

    burt

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    howzat, please do use carbon
     
  15. Reef Maniac

    Reef Maniac MASA Contributor

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    Agreed :thumbup:

    One thing to consider, though, is the quality of the carbon. The cheap & nasty carbon sold by most pet shops could leach phosphates into the water, and could cause lots of problems. it's easy to check, though, if you have an accurate phosphate test kit - just keep some carbon in a container of RO water for a week or so, and then test the water for phosphates - if there is an increase don't use that brand of carbon.

    Here are some interesting links:

    Activated Carbon

    http://www.carbochem.com/activatedcarbon101.html

    Aquarium Frontiers On-Line: July 1997: Product Review

    Reef Central Online Community - Experiment: Is all Granular Activated Carbon (GAC) created equally?


    Hennie
     
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