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Bio Balls

Discussion in 'Tank Mods & DIY' started by phil hunter, Oct 25, 2018.

  1. phil hunter

    phil hunter Registered

    Jul 7, 2018
    Likes Received:
    Hello all I've recently got back into marines and as part my filtration use bio balls in the 1st chamber of my sump as well as a pellet reactor and skimmer . i read the other day bio balks are bad as they harbour unwanted bacteria ? all my parameters are good as are the livestock and corals within but am just wondering other people's thoughts on bio balls in marine tanks
  2. jim_fitz

    jim_fitz Admin Staff Member

    Mar 20, 2013
    Likes Received:
    if you have unwanted bacteria in your tank, they will be everywhere and not just in you bio-balls
    they often get referred to as nitrate factories as if this is a bad thing
    there may be other ways of doing it
    but high nitrates is so much better than any ammonia

    if everything looks ok, i wouldn't worry
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