Marimo Moss Balls for Aquarium 5–7 cm
19.20 $ – 288.00 $Price range: 19.20 $ through 288.00 $ Exc. Tax
Marimo Moss Ball Aquarium Plant:
- Improves water quality
- Low maintenance
- Long lifespan
- Live plant
- Aesthetically pleasing
- Versatile use
- Adaptable
- Grows even in low light (approx. 0.6 cm/year)
- Food source for shrimp, snails, goldfish, crayfish and other small aquarium inhabitants
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Marimo Moss Balls Aquarium – Marimo Moss Ball for Aquarium 5–7 cm by Ekomoss
Experience a true natural monument for your aquarium: the majestic Marimo moss ball by Ekomoss in an impressive XL size of 5–7 cm. These large moss balls are the ultimate highlight for any demanding aquarist and an incomparable eye-catcher in any tank. The moss ball, scientifically Aegagropila linnaei, is not an ordinary plant but a colony of the fascinating green alga Cladophora that has grown over decades. Its perfect spherical shape and velvety green texture make it a true masterpiece of nature.
These moss balls in the aquarium are not only breathtakingly decorative but also extremely easy to care for and undemanding. They function as a massive, living biofilter that visibly and sustainably improves water quality. For shrimp and other aquarium inhabitants, this giant algae ball is a paradise. With this moss ball, you are choosing an exclusive product that takes the aesthetics and biological stability of your aquarium to a new level.
A living monument: What makes these large moss balls so special?
A moss ball of this size is the result of decades of patient growth. In its natural habitat, the shallow lakes of the Northern Hemisphere, the constant, gentle water movement ensures that the fine algal filaments slowly and evenly felt together into a dense ball. This is how the characteristic spherical shape is created. It is important to know that this is not real moss like Java moss, for example, but a highly developed alga. Each ball is proof of the power and patience of nature.
The immense surface area of these 5–7 cm balls makes them an incomparable biofilter for your ecosystem. It provides a huge settlement area for beneficial microorganisms that form a dense biofilm. These tiny helpers tirelessly filter the aquarium water by breaking down pollutants, organic waste such as mulm and detritus, as well as invisible suspended particles. The filtration performance of such a large moss ball can significantly support the work of technical filter systems and ensures consistently good water quality and stable water parameters.
The ultimate paradise for shrimp and more
Especially for invertebrate aquariums, such as shrimp tanks or special shrimp setups, this XL moss ball is a true blessing. For dwarf shrimp, it offers a huge grazing area that is constantly and gladly grazed. The biofilm growing on the surface is an extremely nutritious and permanently available food source. You can watch for hours as the shrimp graze and explore the giant green ball.
In addition to its feeding function, the moss ball offers an unrivaled hiding and living space. The dense yet soft structure provides countless niches and crevices where especially juvenile shrimp can safely retreat from predators. The moss ball is therefore playground, feeding station, and shelter in one – a central element for a functional and species-appropriate shrimp aquarium.
Creative use and care: How your moss balls thrive
The moss balls from Ekomoss are extremely versatile. While the beauty of this XL ball is best showcased when it rests as a whole on the substrate, there are other options for creative aquarists. Aegagropila linnaei gives you the flexibility for unique aquascaping designs.
Attaching and propagating: Creative techniques
Although it would be a shame with such a magnificent ball, it can theoretically be propagated. To do this, smaller tufts are carefully separated and formed into new, small balls. These will grow over the years into stately specimens again. It is also possible to use such algae tufts for attaching. They can be tied and fixed onto roots and stones to create a unique, carpet-like growth reminiscent of dense moss landscapes. The moss balls can thus be adapted to your creative ideas.
Proper care to maintain the shape
Caring for moss balls is simple. To ensure the ball maintains its perfectly round shape and does not develop unsightly brown spots, it should be turned regularly. This ensures that all sides receive light for photosynthesis. Strong, direct light can be harmful and lead to dieback. A moderate water temperature is ideal for moss balls to thrive.
If the moss balls lose their shape during transport or handling, you can restore their characteristic spherical form by gently rolling them in your hands. For cleaning, it is best to remove the moss ball from the tank during a water change, rinse it under running water, and gently squeeze it to remove accumulated dirt and debris. This keeps the moss ball healthy and preserves its filtering effect.
Your purchase from Ekomoss: XL quality
A moss ball of this size is an investment in the beauty and health of your aquarium. At Ekomoss you receive a specimen of outstanding quality. We ensure that our moss balls are healthy, dense, and display a rich, decorative green color. The moss balls consist of thousands of fine algal filaments and are a testament to sustainable growth.
We make your purchase as easy as possible. Benefit from our free shipping throughout Europe. For bulk buyers, professional aquascapers, or resellers, we also offer attractive discounts. Order your Marimo moss ball today and make an incomparable, living statement in your aquarium.

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