Cannister the cause?

Discussion in 'Nuisance Algae' started by sandlewood, 5 Apr 2009.

  1. sandlewood

    sandlewood

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    My system has been running for approx 3 months. I have noticed quite a lot of algae on my bck glass and a few isolated patches of green hair algae.

    I am running a Eheim cannister with phosphate remover but it also contains the e-heim ceramics and crushed "stone" media in a separate basket. Do you think these other media are problematic and should I remove them.

    My water parameters are:

    PH = 8.3
    Kh = 9
    Salinity = 1025
    Calcium = 400
    Phosphate = 0 (on my Sera test kit)
    Nitrate = 0

    All my other livestock and corals are flourishing.

    I have a 15w UV sterilizer running inline with the cannister.

    Here is a pic of the tank.[​IMG]
     
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  3. sandlewood

    sandlewood Thread Starter

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    Sorry, I should have clarified - This is obviously not the only filter; I have a sump with skimmer, live rock, DSB and scrubber as well. See my other thread under new members.
     
  4. Mike

    Mike Retired Moderator

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    They could be the cause of higher nitrates but hair algae is caused by P04, it is part of new tank syndrome so change the phos remover every 4-6 weeks and you will get on top of it.

    I would however remove the crushed stones and ceramic rings as a matter of course, they will trap detritus and give you problems long term.
     
  5. sandlewood

    sandlewood Thread Starter

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    Thanks Mike.

    Should I remove the other media slowly? I am worried that if I remove it all at once, I will loose a lot of good bacteria.

    Also what is the best phospate remover? Shoyuld I perhaps add activated carbon to one of the chambers as well making my cannister a phosphate / carbon reactor?

    Will the carbon have an impact on my corals?
     
  6. Alan

    Alan Admin MASA Contributor

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    I agree with Mike in that the algae is part of the new tank syndrome, looking at the pics your tank looks in good shape. Good idea to run carbon in the canister it will clear the water really nicely and only positive effects on corals as it removes a lot of unwanted DOC from the water that the skimmer cant remove. As for the removal of the ceramics, maybe remove half this week and then the other half in 2 weeks time.
     
  7. sandlewood

    sandlewood Thread Starter

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    Thanks Alan - I'll give it a try.
     
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