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  1. #1

    Join Date
    Oct 2011

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    Question Invasive marimo ball

    0 Not allowed!
    Hi, guys
    I wonder if anyone else has similar problem. I have a marimo ball in my tank, and recently (like last couple of months) the algae it's made of become a real problem. They are growing everywhere on plants and on the substrate and the ball itself is very fluffy and sends it's "hairs" everywhere even though I trim and roll it every time I change water. I have beta in this tank and I've seen a couple of times how he got trapped in these green threads and had to struggle to get out of it.
    Water parameters are good, all nitrogen is 0. I actually supplement it a bit with Fourish Nitrogen to provide some nitrogen to plants, but apparently most of it goes to this algae. I wonder how to improve plants nitrogen uptake to make them more competitive.
    At this point I see two options: reduce photoperiod or provide CO2.
    I know, another option would be to stop adding nitrogen, but without it I had very bad cyano infestation. I managed to get rid of it and I need to add some nitrate to prevent it from happening again.
    Any other ideas?


  2. #2

    Join Date
    Feb 2012
    New York City

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    Latest gifts & ribbons:

    Here's some homemade popcorn - MLBfan   Thanks for the help ! Heres a tetra. - PhillipOrigami   For your soon to be set-up marine tank - Cliff   No Message - Indian Woods Angels   For our 90 gallon xD! Haha - Lolita   


    0 Not allowed!
    Well those moss balls really are a form of algae. Maybe its propagating itself?

    I think your best bet is to stop dosing ferts, decrease the photo-period slightly and get on top of your water changes. It'll help your plants compete against the algae.

    I wouldnt try scraping it off, maybe siphoning would be better.

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