seiryu stone is formed over thousands of years of weathering and erosion, creating unique textures and shapes, each one unique.
Easy to mould: seiryu stone aquarium rock easy to shape and can simulate different natural landscapes such as mountains, waterfalls and currents, adding more natural and visual effects to the water feature
environmental safety:this fish tank rocks is PH neutral and All-natural use is safe and reliable and will not affect the ecology in your water feature.