Amazonia Ver.2 Uses Black Soil That Brings Out The Color Of The Leaves Of Aquatic Plants As A Raw Material, And Comes With An Amazonia Supplement That Further Enhances Nutrients. By Laying Amazonia Ver.2 On Top Of Adding An Appropriate Amount Of Amazonia Supplement, Aquatic Plants Grow Better And A Beautiful Nature Aquarium Can Be Realized. In Addition, The Natural Soil Makes The Water Quality Suitable For Aquatic Plants And Tropical Fish, And It Is Easy To Manage The Initial Stage Of The Aquarium Set, So It Can Be Used Widely From Beginners To Veterans.