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A History of Marimo Taxonomy

Your marimo will grow in room temperature tap water, changed every one to two weeks, depending on the season— more frequently in the summer less in winter. In especially hot weather, you can cool your marimo in the refrigerator, above 25°C. Indirect sunlight is best for growing marimo, as they’re adapted for low light conditions. They can be immersed in club soda water to increase photosynthesis, but it also occurs naturally in normal household lighting. Note: Increased carbon dioxide is...

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What is Marimo?

Commonly called Marimo moss balls, aegagropila linnaei is a species of green algae that grows in a spherical shape. Marino moss balls are found in certain cold, freshwater lakes in the Northern Hemisphere. Their plump silhouettes are the result of wave action compressing the algal filaments into ball form, and the plants float freely on the currents, untethered to rocks or lake bottoms. Their filaments appear velvety and soft like moss, with a fuzzy texture that collectors find adorable....

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Packaging Marimo as Gifts

A marimo ball or moss ball is a type of alga that grows into the shape of a sphere. The moss balls are very soft in texture and appearance and are commonly found growing in lakes in Japan, Scotland, Iceland and Estonia. These natural works of art grow flat on the bottom of lake floors and are made round by waves that gently roll the moss into perfect balls. There are three different types of algae growth forms in nature....

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Fun Packaging Ideas for Marimo Balls as Gifts

Marimo moss balls can make a thoughtful gift for friends who enjoy aquariums or water plants. These filamentous green algae seem to have a free will of their own in how they sink and float in tanks, which makes them all the more enjoyable.Originating from lakes in Japan, Iceland, Estonia and Scotland, the waters' flow churns the algae around, allowing it to naturally grow into its small, spherical shape. Easily purchased through our website, they require little maintenance and can serve as a...

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The Importance of Removing Growth Inhibitors from a Marimo Tank

These spherically-shaped balls of algae are be considered to be a national treasure in Japan, where they rise and fall in Lake Akan due to the oxygen they produce in sunlight. They are even protected by law there, though that may not stop them from being stolen, of course.  Moss Growth and Development: These balls are typically used for decoration inside an aquarium, so their physical shape is obviously important. Let’s consider spherical growth as an objective here. Moss growth is all...

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The Various Growth Forms and Artificial Cultivation of Marimo

Marimo moss balls are a unique species of algae that form into spherical shapes. They grow most commonly in the lakes of Japan - where they are revered and considered a national treasure - as well as in Scotland, Estonia and Iceland.  In 1898, a Japanese botanist termed the algae marimo. The first part of the word, mari, means bouncing ball. The second part, mo, is used to describe plants that grow in water.Species Types: There are three types of...

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Packaging a Marimo Specimen for Shipping

Marimo Moss Balls are rare growth forms of green algae that grow into large green spheres with a soft and fluffy appearance! They are native to Japan but are also found in several other regions including Iceland, Estonia and Scotland. Their growth forms can be categorized into three separate types including epilithic (growing on rocks), free-floating filaments (often times found on the muddy lake bottoms), and lake proper (where the algae grow into dense balls that radiate from the...

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Are Marimo Edible? And a Little Background Information on the Marimo

Cladophora Aegagropila linnaei, commonly known as marimo (Japanese for “ball seaweed”), lake balls, or moss balls, has been declared a national treasure by the Japanese government, and it has also become a treasure to fish tank and plant enthusiasts alike.  A. linnaei is a fresh water, filamentous green algae.  Though it is mostly found as free-floating filament or growing on rocks, its popularity is due to the rare existence of its perfect, spherical form.  The sales of artificially created...

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Picking the Right Fit of Marimo for your Windowsill Jar

Basic Care Instructions: When choosing the perfect sized Marimo for your windowsill jar, one must first determine the size of the jar and then take into consideration the care and growth of the algae. Moss balls come from cold, clear water, so it is important to recreate an environment as close as possible to their natural habitat.The water must be changed regularly (preferred: once bi-weekly) and kept at 15 degrees Celsius (59 degrees Fahrenheit) to 20 degrees Celsius (68 degrees...

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An Advanced CO2 Injection Technique for Marimo Balls

Aegagropila linnaei, most commonly referred to as the Marimo Moss ball, is a rare and unique species of filamentous green algae that takes on a distinctive spherical shape. These strains don't require much care themselves, but they may make it difficult to keep the outside of your tank clean. That's because all your visitors will be pressing their noses up against the glass to get a close up as they coo and smile.These velvety little buggers are cute, and...

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