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  1. C

    Nitrates

    Good news nitrates down to 0!!! Thanks for your help. :D
  2. C

    Nitrates

    Thanks for the advice; I'll give it a go and post how it goes. Chris
  3. C

    Nitrates

    Thanks for the responses. The Ocra comes with both ceramics rings and bioballs and a foam filter. I clean the bioballs regularly but haven't yet cleaned the foam filter; I thought I shouldn't clean the foam as this would upset the biosystem. As you can see I'm new to this and the instructions...
  4. C

    Nitrates

    Hi, I'm looking for advice to get down my nitrate levels. Set up is an Orca 450 and is about 5 months old. Tests are: SP - 1.021 PH - 8.0 Ammonia - 0 Nitrites - 0 Nitrates - 60 Contents: LR; 2 x pecula clowns; 1 x clown goby; 4 hermits and 4 turbos. Fish feed twice a day with flake...
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