Modelling Soil from Japan. Special moisturizing soil with just the right amount of water - You can also easily make moss balls by simply rolling them up - The nutrients of plants are infused with natural ingredients, so you can grow plants for a long period of time by simply moisturizing them with a mist or other similar product. - simply insert this soil into the glass wall of your aquarium, between driftwood and rocks and you can easily plant moss and plants.