Moss Ball

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Product Overview


Cladophora aegagropila, also known as Marimo Balls and Moss Balls; are soft, velvet-like, green algae balls are native to Japan and Northern Europe. In their native environment, due to photosynthesis, Moss Balls have been reported to surface during the day and sink in the evening. They make an interesting and unique addition to any aquarium.

Moss Balls were originally thought to be very slow growers, but recent study and experimentation proves that the growth can be greatly accelerated with regular dosing of liquid nutrients and high lighting. For optimal conditions, Moss Balls require moderate to high light intensity of at least 3 watts per gallon from full spectrum (5000-7000K) bulbs, as well as regular dosing of liquid nutrients. CO2 can also increase the growth and vigor of Moss Balls.

Moss Balls are propagated by division. Simply divide it into smaller pieces and they will also become spherical over time.


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  • 5

    Posted by DM on 2nd Nov 2015

    I ordered two moss balls and they are huge, one about 1 1/2 and one more than 2 inches! Perfectly round and deep green.

  • 5
    Moss ball!

    Posted by Krystal Tyler on 16th Aug 2014

    Cute little moss ball for my new tank! I like to have one of these in my tanks for the shrimp to pick at. Plus, it's a BALL! It's like having a green tribble in the tank! Can't go wrong with that!

    Anyway, it arrived, looking like a perfectly healthy moss ball. No complaints!

  • 5

    Posted by Kerstin on 30th Mar 2014

    The Moss Balls are really beautiful...awesome dark green and the shrimp just love 'em.

  • 5

    Posted by Unknown on 24th Feb 2014

    The moss ball is beautiful and very green.

  • 5
    Moss Balls

    Posted by Dianne on 15th Jan 2014

    Never thought I would give green mossy balls 5 stars :blushes:

  • 5

    Posted by Unknown on 9th Mar 2013

    I REALLY like how you give decorating tips, suggestions and techniques in the descriptions of the plants. For me that is so helpful, you have no idea...
    Thank you...