Aquatic Arts 3 Nano Marimo Moss Balls - Very Real Marimo - 1 Inch Diameter Aquatic Arts is the best rated brand of Marimo on Amazon! Note that our Giant Marimo Balls are 2-2.5 inches, while others call 1.5 inch marimo "Giant". Extremely easy to take care of! These moss balls can be kept in any freshwater aquarium, terrarium, or even a simple jar or glass vase. They can even live in tap water with a biweekly water change. No need for special lighting! If you're looking for unique home decor ideas, these marimo are great for indoor decorations! They are much more low maintenance than other live plants like bonsai trees. These natural decorative plants also look great as interior centerpieces. Its easy to see why they are becoming popular and loved by people with a variety of interests! Get creative with them. Build your own terrarium kit, use them as gifts, teach children how to keep them as pets, decorate your apartment,office, or patio with them. Use them to remove nitrates and Improve the water quality of your aquariums, naturally! Our Marimo Moss Balls are extremely dense and guaranteed to be healthy. These aquatic plants grow slowly, so the moss balls you receive from us are 4 to 5 years old!