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Alfagrog

Discussion in 'Filtration / ULNS' started by snooks, Dec 10, 2017.

  1. snooks

    snooks Registered

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    Ordered a new sump from my LFS and they are advising filling the second chamber with Alfagrog.
    Is anybody using it or similar products I've not come across it before
     
  2. les

    les Registered

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    I used it many years ago , The downside is it traps lots of detritus. It is used a lot in pond filters. IMO you would be better off with Siporax or similar.
     
  3. snooks

    snooks Registered

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    Thanks for the reply

    The LFS did say I would need to filter the water with a sock before it gets to the Alfagrog (which I do anyway) but there s still detritus in the bottom of the sump
    I've never used this sort of filtration before always had cheato but they are saying the sump isn't big enough to make a difference to reducing nitrate
    If Siporax is the way to go then I will use that instead of Alfagrog
     
    les likes this.
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