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Bio-indicator = Brown Algae

Discussion in 'Algae Control' started by Kevmo, Feb 1, 2005.

  1. Kevmo

    Kevmo Junior Poster

    Jan 23, 2005
    Likes Received:
    Hiya Tom,

    In one of my tanks I seem to have a lot of brown algae -- it is similar to BGA, but brown in color (grows in sheets, sticks to things but comes off with your thumb).

    What is usually the cause of this?

    Tank specs:

    110w of PC suspended over four 10g that are side-by-side (not end-to-end), so who knows? Maybe 30w of PC??
    PH - this has fluctuated a LOT. I've had trouble getting consistency in distributing one CO2 canister to 4 tanks. It has been very high and very low.
    Ferts - EI (dashes of phosphates, nitrates, potassium, and TMG)
    It has no substrate and no fish.
    Plants: Anubias (tons of it), a little bolbitis, and java ferns. I just recently added java moss in the hopes that it would use some of the nutrients since the other slow-growers may not have enough of an uptake.

    The 10g that is adjacent to it with similar specs has NO brown bio-indicators. :) The only difference is that it's mostly java moss. Also no substrate or fish.


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