Luffy Marimo Moss Balls - Beautiful and Natural Aquarium Decor - Absorb Harmful Chemical in Water - Perfect Heirloom Gift - Symbolize Eternal Love AN HEIRLOOM GIFT --- The marimos serve as an excellent gift for your friend or loved ones as it signifies everlasting love. MULTI-PURPOSE MARIMOS --- Marimos, one of the National Treasures of Japan, are used as the first pet, as a decoration ornament and also as a fun toy for your aquatic pets. Marimo is a favorite toy of fishes, betta & shrimps. They love playing with marimos and some use marimos like a comfy hiding spot. MAGIC THAT MARIMOS CREATE --- Marimos help in improving the quality of your aquarium by absorbing pollutants such as phosphates, nitrates, and ammonia, thus creating a conducive environment for your precious aquatic pets. Plus, caring for an aquatic pet has never been so easy. They can be placed anywhere in an aquarium, a jar or even a glass with tap water! TREASURE IT FOR GENERATIONS TO COME --- Marimo is a very popular plant in Japan. The growth rate of Marimo is about 5 mm per year. Hence a giant marimo is about 7 years old! A GOOD LUCK CHARM THAT IS WITH YOU THROUGH THICK & THIN --- The Japanese believe that Marimo will bring good luck. Hence, they grow it in a glass bottle with just some water & ceiling light. Water change is only required once every 2 weeks. This plant does NOT cause algae problem. Negligible maintenance required.