aquatic habitat for marimo balls

written by tammy

how to create an aquatic habitat for a marimo moss ball

We had a great time this weekend digging through the memory boxes for stones, shells and sea-things collected from our travels to make aquatic habitats for our new Marimo.

All you need is a glass container, filtered water, Marimo and decor. We chose to use pieces that we picked up at beaches, lakes and bays while traveling. Be sure to wash or boil your treasures before adding them to the habitat to make sure they are free of salt water and bacteria.  It’s a good habit to do this with your shells and collectable items when you return home from a trip nonetheless- so they don’t smell or bring uninvited pests into your home.  Rinse your Marimo balls, give them a good squeeze, roll them around in your hand a bit and them drop them in their new home.

Keep in mind that Marimo are alive. They need partial but not bright sunlight and every now and then it’s a good idea to freshen the water. You will notice that the Marimo rise to the surface and sink back down again, this is normal and a part of the fascination with having a living plant-ball in your habitat. If your Marimo never moves, then you may want to use a chopstick and roll it over every now and then to maintain its shape.

how to create an aquatic habitat for a marimo moss ball

So what’s a Marimo? It looks like a tiny ball of moss, but in actuality it’s filamentous green lake algae that, at times, grows into  fuzzy velvety looking balls. Read more about them here and watch this video to learn how to care for (and replicate) them.

And when making your own, keep in mind that a Marimo habitat would also make a great gift :)

marimo moss ball

Here’s the other one we made:

aquatic habitat for Marimo ball

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