FW Cycling question

Discussion in 'All things freshwater related' started by Jucksta, Aug 13, 2013.

  1. Jucksta

    Jucksta Senior Member
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    So I just added a new (old) canister filter with carbon, two types of foam and several types of biomedia to my tank that already had a power filter and mini-canister on it. The tank has been up and stable for a few years (aside from a cyano outbreak last month).

    Question is, this new addition won't cause the tank to cycle again at all will it?
     
  2. Vashjir

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    Nope, you have plenty of bio-filtration in there. You will need to wait 4-6 weeks before the media is loaded with the proper bacteria, so don't take down too much of the old filtration until then. Also make sure there's no old gunk in the new (used) filter.

    To get it ready even faster take some of the old canister's media and ad it to the new filter. Thats how I kickstart all my freshwater tanks.
     
    #2 Vashjir, Aug 13, 2013
    Last edited: Aug 13, 2013
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  3. Fragtastic Reef

    Fragtastic Reef We Dont Frag Around! Rare fish and more
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    If this is for a SW tank I would not recommend a canister filter anyways. They just collect and break down too much crap and will cause algae, PO4, and nitrate issues later on.
     

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