Why do you have to remove carbon from filters when adding medications to your aquarium?

Is it because the carbon filters out the medication, or does the medication ruin the carbon in the filter, or what?

Thanks

Because the carbon will remove the medication from the water as it is filtered and so it will make it ineffective for treating the fishes’ disease. The fish will get hardly any of the meds because the charcoal will filter it out of the water. So, you must take the carbon out of the filter so that it continues to circulate and the fish will get the full effect of the medication in the water.

5 Responses to “Why do you have to remove carbon from filters when adding medications to your aquarium?”

  • Santa claus says:

    the carbon is what the filter filters out
    References :

  • crazy_fish_lover. says:

    It’s most likely that the carbon will ruin the meds.

    that’s just my two pennies(or points) worth .
    References :

  • tzafed10 says:

    Because the carbon will remove the medication from the water as it is filtered and so it will make it ineffective for treating the fishes’ disease. The fish will get hardly any of the meds because the charcoal will filter it out of the water. So, you must take the carbon out of the filter so that it continues to circulate and the fish will get the full effect of the medication in the water.
    References :
    I am a vet tech.

  • Ianab says:

    Carbon filtering is to remove chemicals from the water. The carbon actually soaks them up like a sponge.

    So if you leave the carbon in place, all the meds just get removed from the water and never get to do what you intended.

    Once the treatment is over, put fresh carbon back in to remove the left over meds from the system.

    Ian
    References :

  • Marine says:

    Activated carbon is used in a filter to absorb unwanted and harmful chemicals from your water. Most medicines contain chemicals that are also absorbed by the carbon. So, by taking the carbon out, you are allowing the medicine to do it’s job rather than being absorbed by the carbon.
    References :

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