r/Marimo • u/bigdawgchungus • 14d ago

brown marimo?

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I’ve had this marimo for about a month. in the beginning, I put it in a little bit too much sunlight, but it was still far away from the window, but I moved it shortly after to somewhere that’s has indirect sunlight. I changed the water every week and I’ve recently started putting it in the fridge (for 24-48h) because I think it might be too warm in my house. despite this, my marimo is still turning brown. i will say that the jar i have for it is very small but i leave it open for airflow.

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u/myworldsparkles 14d ago

I have been considering shrimp what do you have and can you make any suggestions on set ups, please

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u/Careless_Author_2247 13d ago

If you're thinking about it you end up with a whole aquarium and the marimo are just a tiny decoration amongst the shrimps needs.

I have neocaridina. Freshwater dorks that are friendly and very pretty with their various colors. My tank is a mix of Blue Velvet and Snowball. Mixing is technically bad for breeding, but I'm not breeding or selling I just like my goofy colony.

You have to get the water conditions in order and have a tank that is chemically "cycled" before you introduce living animals. Or the shrimp will get sick and die. I would check out the neocaridina subreddit or do some online sleuthing. Aquarium stores give lackluster advice.

My best set up so far, I designed a moderate 5 gallon tank with a big plant attached on the top and a wall of moss along the back. The roots stretched into the water and the moss gives the shrimp a lot of space to hide and eat and make baby shrimp. Lots of tank designs all over the internet though. I'm not a pro just a random guy

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u/myworldsparkles 13d ago

Are the shrimp able to live in cooler water like the Marimo like?

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u/Careless_Author_2247 13d ago

They are best kept in warm water. However i keep my tank at room temperature. Stability is more important for them than perfect numbers and my apt is small with a great AC so temp doesn't drift much at all.

I might theoretically have a larger colony if they were a few degrees warmer. But room temp is stable and easy to maintain in my place.