Marimo – Living water moss balls
Marimo Moss Balls are one of our very favorite plant discoveries of the last few years. Marimo are equal parts bizarre and beautiful, and Marimo moss ball care is very easy.
Marimo, a Japanese word which literally translates to “seaweed ball” are not moss at all – they’re actually a rare form of spherical algae. There’s no central stone or kernel inside the sphere – it’s solid algae, radiating from the center, growing radially outward at the snail’s pace of just 5mm per year. But in their natural habitats – few fresh water lakes in Japan, Estonia, Iceland, Scotland and Australia – they’ve been known to grow to between 8 and 12 inches in diameter!
Another reason to love Marimo moss balls is beautiful lore that surround these mysterious aquatics. Legend tells of two lovers who desired nothing more than to be together. When their love was forbidden, they fell into the water, and their hearts became Marimo balls. Marimo are said to bring your heart’s desire to both giver and receiver.
Note – Marimo balls will be delivered in water filled plastic bags and doesnt comes in any glass containers.
And of course, we love Marimo because they live forever. Well, not forever, but easily 100+ years. For this reason, we often joke that Marimo make wonderful family heirlooms.
Marimo moss ball care is quite simple. Here are a few guidelines.
Keep your Marimo where they will receive llow to medium indirect light. You must protect marimo from the direct rays of the sun, as Marimo can easily turn brown if they are getting direct light! Also keep in mind that direct sun will be intensified by glass marimo enclosures which can heat water quite quickly. Remember – these guys are native to cool lakes, and should be kept cool.
Marimo are well adapted to low light spaces and can photosynthesize in normal household light. If your space has no window, keep marimo close to a fluorescent or full-spectrum bulb.
Changing the Water
Change water once every two weeks using regular tap water (for best results, allow water to sit out for 24 hours prior to changing the water). You’ll need to change the water more often in summer, as it will heat and evaporate more quickly. Clean your marimo enclosure with a brush if algae begins to grow on tank surface.
If your marimo turn brown, make sure they’re moved to a cooler location with less direct light. They may recover and turn green again on their own. If not, you may add a tiny amount of aquarium ocean salt.
Note – Marimo balls will be delivered in water filled plastic bags and doesnt comes in any containers.
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