FAQs


Loving and Caring for your Marimo.

Frequently Asked Questions:

1.How do I rear my Marimo?

Marimos require water and very minimal light source to survive. It does not require feeding as it performs photosynthesis just like a plant.

2. What type of light source do I use?

Any source of natural or artificial light is good enough for your Marimo to live in a healthy and green condition.

3. Do I need to change the water? What water do I use?

Tap water is good enough. It is recommended to change the water your Marimo lives in once a week or every two weeks.

4. What should I do when changing water?

You may gently squeeze your Marimo to flush out any dirt trapped in it. You may also gently rolls your Marimo back and forth on your palm to help it retain its round shape. Marimos are living things and they need your love.

5. Can I rear fish or shrimp alongside my Marimo?

Yes, definitely.

6. How long can my Marimo live?

The world's largest Marimo is about 95cm in diameter. Marimos are able to grow about 5mm per year. Thus, the World Largest Marimo today is over 200 years old!

7. Why is my Marimo changing color?

Change in color from green to brownish shows that your Marimo is sick! Please wash your Marimo under running water and add some salt (5% of your water volume) into your Marimo container or tank

8. How long can Marimo last without water?

In ideal conditions, Marimos can live for one month without water

9. Why do Marimos float and sink?

More often, Marimos will sink in water. However, when Marimos perform photosynthesis, the oxygen bubbles generated by Marimo can make Marimo float up to the surface of the water. Don't be alarmed as that is normal Marimo behaviour.

10. Will Marimo reproduce? Is that possible to split it in two?

Yes, Marimo will reproduce when it is kept in a large pool of water. However, it is not recommend splitting up your Marimo. Very often you may damage it and it can cause it to die :(  If you are lucky your Marimo would reproduce and you would see a bump growing on your Marimo. Congratulations for that is your baby Marimo!

11. How can I help my Marimo grow faster?

You can help by lowering the temperature and improving the water quality. There are many other growth boosting products to boost Marimo growth! Do ask for more info from us!

12. Would high temperature affect Marimo?

Yes, direct sunlight would hurt your Marimo! If you wish, you can leave your Marimo with water in your fridge for 24 hours to give it a nice cool environment to grow.

13. Can Marimo survive in a fully sealed/covered bottle?

Yes, Marimos can survive in fully sealed/covered bottles. In fact closed bottles can keep out the dust and other pests that may harm your pet Marimo!