(W.S) Ryuoh Stone Small (8Kg)A NEW small rock from ADA Japan, perfect for small aquarium and terrarium. RYUOH STONES have a variety of appearances due to the white line and wrinkles. Their forms are suitable for an Iwagumi layout that evokes a reef. For making such a layout, an important point is to pay attention to the ridgeline and the continuity of stones. It has distinctive characteristics just like the ones of the Seiryu Stone, sharp and sheer edges and fair grayish blue