SKU: 78322537585
moss ball bonsai tree aquarium

moss ball bonsai tree aquarium Marimo Moss Ball

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Description

moss ball bonsai tree aquarium Marimo Moss BallMarimo Moss Balls (Aegagropila linnaei Cladophora aegagropila) arent actually moss! Theyre a rare, slow growing algae that naturally forms into soft, velvety green spheres. In the wild, Marimo grows at the bottom of lakes in Japan, where water currents tumble the algae into its signature moss ball shape. The name Marimo directly translates to seaweed ball in Japanese, and its arguably the only algae species welcomed openly in freshwater aquariums.

Marimo Moss Balls (Aegagropila linnaei / Cladophora aegagropila) aren’t actually moss! They’re a rare, slow-growing algae that naturally forms into soft, velvety green spheres. In the wild, Marimo grows at the bottom of lakes in Japan, where water currents tumble the algae into its signature moss ball shape. The name Marimo directly translates to “seaweed ball” in Japanese, and it’s arguably the only algae species welcomed openly in freshwater aquariums.

Marimo Balls are very much alive and make a unique, moss-like addition to any freshwater aquarium or planted tank. They’re often used in low light tanks for greening, an aquascaping technique where moss is attached to driftwood and rocks to create an aged, natural look. Simply pull the ball apart and gently wedge into cracks or attach with a very small amount of adhesive. Marimo Balls are also decorative on their own and are often kept in glass jars or similar containers. They’re great for betta fish tanks, shrimp setups, and more. If your Marimo floats, it likely has air trapped inside. Squeeze it gently to release and drop it back in!

Quick and easy examples of the greening method and how to unball a Marimo Moss Ball:

How to care for a Marimo Ball

Marimo Balls require very little maintenance. They prefer cooler water temperatures below 76°F. In still water or under stronger lighting, you may need to manually rotate them occasionally to ensure all sides receive light. Otherwise, they’re fine in low light, tolerate a wide range of water parameters, and can even survive in slightly brackish water. Their hardy nature and minimal care makes them a top beginner “aquarium plant”!

Common Name Marimo Ball
Care Easy
Lighting Low to Medium
CO2 Optional
Suggested Placement Loose / Attached to hardscape
Propagation Gently separate
Growth Rate Varies
Height Varies
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SKU: 78322537585

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josseline m.
Belleville, US
★★★★★ 3
Be careful
Color: Oak, Size: 24"W x 6.7"D, 3 Pack, Color: Oak, Size: 24"W x 6.7"D, 3 Pack
They are nice but flimsy, not flush on the wall scared they might fall
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Reviewed in the United States on January 27, 2026
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Chanel
Charlottesville, US
★★★★★ 4
Beautiful for decor, not great for anything with heft.
Color: Oak, Size: 24"W x 6.7"D, 3 Pack, Color: Oak, Size: 24"W x 6.7"D, 3 Pack
They are easy to install and exactly as pictured. I find them to be lovely and uniform, and they can't with proper instructions and even extra pieces. I took away a star because they are described as "heavy duty" use, but the dowels used to mount the shelves are flimsy. Mine are mounted on combo of studs and drywall, the plates are secure and not going anywhere. The problem is the dowels themselves that fit into the corresponding holes of the shelf: they bend easily. I put three books and bookends on one shelf and watched it tip down. I did attach the bottom screws into the dowels I secure the shelf to the mounting brackets, but that's not going to save any items from sliding off as it bends down over time. I pulled the books immediately and decided to use these for decor only rather than any practical use. The stock photo suggesting lining these shelves with glass jars filled with flour, rice, and lentils is a terrible idea.
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Reviewed in the United States on August 12, 2025
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Amazon Customer
San Leandro, US
★★★★★ 5
Great Looking Shelves
Color: Oak, Size: 24"W x 6.7"D, 3 Pack
We love the floating shelves. They were easy to install and matched our island perfectly.
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Reviewed in the United States on February 27, 2026
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JudyP
Lowell, US
★★★★★ 5
Beautiful
Color: Black, Size: 40"W x 8"D, 2 Pack
I love my shelf, looks gorgeous over my electric fireplace.sturdy and the perfect size. Would purchase again.
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Reviewed in the United States on March 26, 2026
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Amanishakheto
Carnegie, US
★★★★★ 5
Would Buy Again
Size: 31.5 Inch, Color: Rustic Brown
Easy to put together and looks great. Sturdy and matches my other shelves.
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Reviewed in the United States on April 7, 2026

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