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What Method To Change From 1 Filter To Another?

Home Forums Fresh and Brackish Water Fishes What Method To Change From 1 Filter To Another?

This topic contains 0 replies, has 1 voice, and was last updated by  Bully 6 years, 10 months ago.

Viewing 6 posts - 1 through 6 (of 6 total)
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  • #301292

    JazzBora150
    Participant

    is there a correct method to change a filter in a running system

    i have 2 x fluval 303s runnin at present and im going to swap them out for a eheim 2217

    how should i go about the change over

    should i starve the fish for a few days to reduce waste and then swap them

    #342630

    Plaamoo
    Participant

    I’ve never done a swap like that. When cycling a new filter i usually run it on a mature tank for about a week, then move it to the new tank. In this case, I’d probably just put the media from the fluvals, or at least some of it, into the eheims and go. Is this on one tank? How heavily stocked is the tank? If it’s one tank I’d definetly change one at a time, maybe a week apart and monitor the water. See what others have to say??

    #342637

    Bully
    Participant

    My usual advice for these situations is to take all the biological media from one filter and fit it (some cutting up may be necessary for foams) into the new filter. If you hope to use Eheim’s own media (if supplied) then slowly swap the media over the course of a few months.

    Reducing feeding can be helpful if you’re reducing the amount of biological filtration.

    #342644

    Eyrie
    Participant

    Had a similar situation a few weeks back and swapping the media into the new filter worked fine.

    #342647

    JazzBora150
    Participant

    would adding “BacterLife” help made by waterlife

    it says that it starts filters and oxidises ammonia and nitrate

    @plaamoo the tank is heavily stocked in fact its really heavily stocked

    #342654

    Bully
    Participant

    Why would you need a supplement? If your Fluval 303’s are already matured then there should be no reason, unless you are expecting to lose a significant portion of your mature media as a result of the swap? Or, you’re experiencing ammonia readings?

    Bacteria supplements receive mixed reviews at the best of times, I personally would not rely upon them for a tank already stocked. I think they may have a use when first cycling a tank, without fish.

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