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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Mitchb25kv
Belleville, US
★★★★★ 5
No more slobber
Color: Blue Dog Ball Launcher, Size: One-Size
Works as described. Can throw a tennis ball a mile. Keeps the slobber off my hands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
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Hope Coman
Lexington, US
★★★★★ 4
Squeaker Pinches Hand
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
I toss balls 50-75 feet into the air. Works our my dog. I can actually throw a ball over 150 feet, so the dog gets a good workout. The squeaker is unnecessary and it does pinch my hand on a long toss.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
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Verified Purchase
Patriot4Life
Massapequa, US
★★★★★ 5
Just as good as an actual Chuck-It
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
This is much cheaper than a Chuck It. And it’s just as good. My dog loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
E
Verified Purchase
Erin
Natrona Heights, US
★★★★★ 5
Game changer
Color: Blue Dog Ball Launcher, Size: One-Size
This has been such a game changer in playing fetch with my dogs. The ball fits inside great and it throws smoothly and goes quite a distance.
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Reviewed in the United States on December 11, 2025
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Verified Purchase
Tired Mother
Fort Morgan, US
★★★★★ 3
Learning curve - but super fun
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
Okay- don’t get me wrong I know how to use a chuck it. But the handle of this has a squeaker - which is fantastic to get my ADHD dog to focus! Buuttt beware- it will take off your fingernail if you aren’t holding it properly when throwing. I learned that the hard way. Twice.
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Reviewed in the United States on May 3, 2026

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