天然红色火山岩 调节PH·多孔透气 活化水质·改善土壤 水尚良品 鱼儿诱色 NATURE AQUARIUM GOODS NATUEAL MATERIAL FROM RIVERS OR MOUNTAINS USEO EOR ORNAMENTAL EISH AND AQUATIC PLANTS AQUARIUM FANC SHOW THE NATUEAL LANDSCAPE STY.E NATURE AQUARIUM 2.5KG